Home / 688,744.53-1,033,223.31-351,602.28

Finding the Fourth Proportional to 688,744.53, 1,033,223.31 and 351,602.28

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Solution

The fourth proportional to 688,744.53, 1,033,223.31 and 351,602.28 is: 527,457.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,744.53 : 1,033,223.31 = 351,602.28 : x
  2. Step 2: Convert to fraction form
    688,744.53/1,033,223.31 = 351,602.28/x
  3. Step 3: Cross multiply
    688,744.53x = 1,033,223.31 × 351,602.28
  4. Step 4: Simplify right side
    688,744.53x = 363,283,671,545.15
  5. Step 5: Solve for x
    x = 363,283,671,545.15/688,744.53
  6. Step 6: Final answer
    x = 527,457.80

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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.