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Finding the Fourth Proportional to 526,492.76, 726,557.28 and 284,775.08

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Solution

The fourth proportional to 526,492.76, 726,557.28 and 284,775.08 is: 392,988.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,492.76 : 726,557.28 = 284,775.08 : x
  2. Step 2: Convert to fraction form
    526,492.76/726,557.28 = 284,775.08/x
  3. Step 3: Cross multiply
    526,492.76x = 726,557.28 × 284,775.08
  4. Step 4: Simplify right side
    526,492.76x = 206,905,407,536.58
  5. Step 5: Solve for x
    x = 206,905,407,536.58/526,492.76
  6. Step 6: Final answer
    x = 392,988.13

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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.