Home / 810,678.46-1,118,677.08-448,081.96

Finding the Fourth Proportional to 810,678.46, 1,118,677.08 and 448,081.96

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Solution

The fourth proportional to 810,678.46, 1,118,677.08 and 448,081.96 is: 618,320.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,678.46 : 1,118,677.08 = 448,081.96 : x
  2. Step 2: Convert to fraction form
    810,678.46/1,118,677.08 = 448,081.96/x
  3. Step 3: Cross multiply
    810,678.46x = 1,118,677.08 × 448,081.96
  4. Step 4: Simplify right side
    810,678.46x = 501,259,018,613.48
  5. Step 5: Solve for x
    x = 501,259,018,613.48/810,678.46
  6. Step 6: Final answer
    x = 618,320.39

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Double scale
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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.