Home / 910,673.80-1,366,010.70-437,115.40

Finding the Fourth Proportional to 910,673.80, 1,366,010.70 and 437,115.40

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Solution

The fourth proportional to 910,673.80, 1,366,010.70 and 437,115.40 is: 655,673.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,673.80 : 1,366,010.70 = 437,115.40 : x
  2. Step 2: Convert to fraction form
    910,673.80/1,366,010.70 = 437,115.40/x
  3. Step 3: Cross multiply
    910,673.80x = 1,366,010.70 × 437,115.40
  4. Step 4: Simplify right side
    910,673.80x = 597,104,313,534.78
  5. Step 5: Solve for x
    x = 597,104,313,534.78/910,673.80
  6. Step 6: Final answer
    x = 655,673.10

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.