Home / 711,766.81-1,067,650.21-312,411.04

Finding the Fourth Proportional to 711,766.81, 1,067,650.21 and 312,411.04

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Solution

The fourth proportional to 711,766.81, 1,067,650.21 and 312,411.04 is: 468,616.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,766.81 : 1,067,650.21 = 312,411.04 : x
  2. Step 2: Convert to fraction form
    711,766.81/1,067,650.21 = 312,411.04/x
  3. Step 3: Cross multiply
    711,766.81x = 1,067,650.21 × 312,411.04
  4. Step 4: Simplify right side
    711,766.81x = 333,545,710,183.71
  5. Step 5: Solve for x
    x = 333,545,710,183.71/711,766.81
  6. Step 6: Final answer
    x = 468,616.55

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Similar ratio
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1.5x scale

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.