Home / 806,613.92-1,210,669.32-407,535.04

Finding the Fourth Proportional to 806,613.92, 1,210,669.32 and 407,535.04

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Solution

The fourth proportional to 806,613.92, 1,210,669.32 and 407,535.04 is: 611,680.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,613.92 : 1,210,669.32 = 407,535.04 : x
  2. Step 2: Convert to fraction form
    806,613.92/1,210,669.32 = 407,535.04/x
  3. Step 3: Cross multiply
    806,613.92x = 1,210,669.32 × 407,535.04
  4. Step 4: Simplify right side
    806,613.92x = 493,390,169,752.97
  5. Step 5: Solve for x
    x = 493,390,169,752.97/806,613.92
  6. Step 6: Final answer
    x = 611,680.70

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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.