Home / 870,916.04-1,306,374.17-271,928.50

Finding the Fourth Proportional to 870,916.04, 1,306,374.17 and 271,928.50

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Solution

The fourth proportional to 870,916.04, 1,306,374.17 and 271,928.50 is: 407,892.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,916.04 : 1,306,374.17 = 271,928.50 : x
  2. Step 2: Convert to fraction form
    870,916.04/1,306,374.17 = 271,928.50/x
  3. Step 3: Cross multiply
    870,916.04x = 1,306,374.17 × 271,928.50
  4. Step 4: Simplify right side
    870,916.04x = 355,240,363,861.27
  5. Step 5: Solve for x
    x = 355,240,363,861.27/870,916.04
  6. Step 6: Final answer
    x = 407,892.78

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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.