Home / 904,074.75-1,247,681.48-501,666.75

Finding the Fourth Proportional to 904,074.75, 1,247,681.48 and 501,666.75

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Solution

The fourth proportional to 904,074.75, 1,247,681.48 and 501,666.75 is: 692,332.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,074.75 : 1,247,681.48 = 501,666.75 : x
  2. Step 2: Convert to fraction form
    904,074.75/1,247,681.48 = 501,666.75/x
  3. Step 3: Cross multiply
    904,074.75x = 1,247,681.48 × 501,666.75
  4. Step 4: Simplify right side
    904,074.75x = 625,920,310,598.46
  5. Step 5: Solve for x
    x = 625,920,310,598.46/904,074.75
  6. Step 6: Final answer
    x = 692,332.48

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.