Home / 917,729.67-1,377,434.96-468,765.30

Finding the Fourth Proportional to 917,729.67, 1,377,434.96 and 468,765.30

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Solution

The fourth proportional to 917,729.67, 1,377,434.96 and 468,765.30 is: 703,577.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,729.67 : 1,377,434.96 = 468,765.30 : x
  2. Step 2: Convert to fraction form
    917,729.67/1,377,434.96 = 468,765.30/x
  3. Step 3: Cross multiply
    917,729.67x = 1,377,434.96 × 468,765.30
  4. Step 4: Simplify right side
    917,729.67x = 645,693,709,911.06
  5. Step 5: Solve for x
    x = 645,693,709,911.06/917,729.67
  6. Step 6: Final answer
    x = 703,577.24

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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.