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Finding the Fourth Proportional to 525,395.43, 725,082.57 and 299,040.93

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Solution

The fourth proportional to 525,395.43, 725,082.57 and 299,040.93 is: 412,697.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,395.43 : 725,082.57 = 299,040.93 : x
  2. Step 2: Convert to fraction form
    525,395.43/725,082.57 = 299,040.93/x
  3. Step 3: Cross multiply
    525,395.43x = 725,082.57 × 299,040.93
  4. Step 4: Simplify right side
    525,395.43x = 216,829,366,059.59
  5. Step 5: Solve for x
    x = 216,829,366,059.59/525,395.43
  6. Step 6: Final answer
    x = 412,697.47

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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.