Home / 527,038.02-727,312.68-285,320.52

Finding the Fourth Proportional to 527,038.02, 727,312.68 and 285,320.52

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Solution

The fourth proportional to 527,038.02, 727,312.68 and 285,320.52 is: 393,742.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,038.02 : 727,312.68 = 285,320.52 : x
  2. Step 2: Convert to fraction form
    527,038.02/727,312.68 = 285,320.52/x
  3. Step 3: Cross multiply
    527,038.02x = 727,312.68 × 285,320.52
  4. Step 4: Simplify right side
    527,038.02x = 207,517,232,060.19
  5. Step 5: Solve for x
    x = 207,517,232,060.19/527,038.02
  6. Step 6: Final answer
    x = 393,742.43

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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.