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Finding the Fourth Proportional to 525,159.70, 725,029.23 and 494,892.47

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Solution

The fourth proportional to 525,159.70, 725,029.23 and 494,892.47 is: 683,242.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,159.70 : 725,029.23 = 494,892.47 : x
  2. Step 2: Convert to fraction form
    525,159.70/725,029.23 = 494,892.47/x
  3. Step 3: Cross multiply
    525,159.70x = 725,029.23 × 494,892.47
  4. Step 4: Simplify right side
    525,159.70x = 358,811,506,321.98
  5. Step 5: Solve for x
    x = 358,811,506,321.98/525,159.70
  6. Step 6: Final answer
    x = 683,242.66

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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.