Home / 732,910.90-1,011,478.41-406,303.78

Finding the Fourth Proportional to 732,910.90, 1,011,478.41 and 406,303.78

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Solution

The fourth proportional to 732,910.90, 1,011,478.41 and 406,303.78 is: 560,733.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,910.90 : 1,011,478.41 = 406,303.78 : x
  2. Step 2: Convert to fraction form
    732,910.90/1,011,478.41 = 406,303.78/x
  3. Step 3: Cross multiply
    732,910.90x = 1,011,478.41 × 406,303.78
  4. Step 4: Simplify right side
    732,910.90x = 410,967,501,371.39
  5. Step 5: Solve for x
    x = 410,967,501,371.39/732,910.90
  6. Step 6: Final answer
    x = 560,733.24

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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.