Home / 808,542.60-1,213,688.70-454,248.60

Finding the Fourth Proportional to 808,542.60, 1,213,688.70 and 454,248.60

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Solution

The fourth proportional to 808,542.60, 1,213,688.70 and 454,248.60 is: 681,864.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,542.60 : 1,213,688.70 = 454,248.60 : x
  2. Step 2: Convert to fraction form
    808,542.60/1,213,688.70 = 454,248.60/x
  3. Step 3: Cross multiply
    808,542.60x = 1,213,688.70 × 454,248.60
  4. Step 4: Simplify right side
    808,542.60x = 551,316,392,810.82
  5. Step 5: Solve for x
    x = 551,316,392,810.82/808,542.60
  6. Step 6: Final answer
    x = 681,864.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.