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Finding the Fourth Proportional to 521,490.96, 719,598.02 and 292,016.34

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Solution

The fourth proportional to 521,490.96, 719,598.02 and 292,016.34 is: 402,949.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,490.96 : 719,598.02 = 292,016.34 : x
  2. Step 2: Convert to fraction form
    521,490.96/719,598.02 = 292,016.34/x
  3. Step 3: Cross multiply
    521,490.96x = 719,598.02 × 292,016.34
  4. Step 4: Simplify right side
    521,490.96x = 210,134,380,071.65
  5. Step 5: Solve for x
    x = 210,134,380,071.65/521,490.96
  6. Step 6: Final answer
    x = 402,949.23

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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.