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Finding the Fourth Proportional to 710,492.57, 981,134.53 and 456,286.62

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Solution

The fourth proportional to 710,492.57, 981,134.53 and 456,286.62 is: 630,096.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,492.57 : 981,134.53 = 456,286.62 : x
  2. Step 2: Convert to fraction form
    710,492.57/981,134.53 = 456,286.62/x
  3. Step 3: Cross multiply
    710,492.57x = 981,134.53 × 456,286.62
  4. Step 4: Simplify right side
    710,492.57x = 447,678,557,318.27
  5. Step 5: Solve for x
    x = 447,678,557,318.27/710,492.57
  6. Step 6: Final answer
    x = 630,096.05

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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.