Home / 711,818.28-983,376.18-467,382.96

Finding the Fourth Proportional to 711,818.28, 983,376.18 and 467,382.96

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Solution

The fourth proportional to 711,818.28, 983,376.18 and 467,382.96 is: 645,689.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,818.28 : 983,376.18 = 467,382.96 : x
  2. Step 2: Convert to fraction form
    711,818.28/983,376.18 = 467,382.96/x
  3. Step 3: Cross multiply
    711,818.28x = 983,376.18 × 467,382.96
  4. Step 4: Simplify right side
    711,818.28x = 459,613,269,801.89
  5. Step 5: Solve for x
    x = 459,613,269,801.89/711,818.28
  6. Step 6: Final answer
    x = 645,689.05

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Double scale
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1.5x scale

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.