Home / 904,962.92-1,248,859.08-497,074.28

Finding the Fourth Proportional to 904,962.92, 1,248,859.08 and 497,074.28

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Solution

The fourth proportional to 904,962.92, 1,248,859.08 and 497,074.28 is: 685,968.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,962.92 : 1,248,859.08 = 497,074.28 : x
  2. Step 2: Convert to fraction form
    904,962.92/1,248,859.08 = 497,074.28/x
  3. Step 3: Cross multiply
    904,962.92x = 1,248,859.08 × 497,074.28
  4. Step 4: Simplify right side
    904,962.92x = 620,775,728,012.46
  5. Step 5: Solve for x
    x = 620,775,728,012.46/904,962.92
  6. Step 6: Final answer
    x = 685,968.14

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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.