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Finding the Fourth Proportional to 521,492.96, 719,600.76 and 292,018.32

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Solution

The fourth proportional to 521,492.96, 719,600.76 and 292,018.32 is: 402,951.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,492.96 : 719,600.76 = 292,018.32 : x
  2. Step 2: Convert to fraction form
    521,492.96/719,600.76 = 292,018.32/x
  3. Step 3: Cross multiply
    521,492.96x = 719,600.76 × 292,018.32
  4. Step 4: Simplify right side
    521,492.96x = 210,136,605,005.92
  5. Step 5: Solve for x
    x = 210,136,605,005.92/521,492.96
  6. Step 6: Final answer
    x = 402,951.95

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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.