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Finding the Fourth Proportional to 521,362.96, 719,491.98 and 295,008.46

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Solution

The fourth proportional to 521,362.96, 719,491.98 and 295,008.46 is: 407,117.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,362.96 : 719,491.98 = 295,008.46 : x
  2. Step 2: Convert to fraction form
    521,362.96/719,491.98 = 295,008.46/x
  3. Step 3: Cross multiply
    521,362.96x = 719,491.98 × 295,008.46
  4. Step 4: Simplify right side
    521,362.96x = 212,256,221,002.15
  5. Step 5: Solve for x
    x = 212,256,221,002.15/521,362.96
  6. Step 6: Final answer
    x = 407,117.95

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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.