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Finding the Fourth Proportional to 400,592.79, 600,870.96 and 134,332.83

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Solution

The fourth proportional to 400,592.79, 600,870.96 and 134,332.83 is: 201,493.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,592.79 : 600,870.96 = 134,332.83 : x
  2. Step 2: Convert to fraction form
    400,592.79/600,870.96 = 134,332.83/x
  3. Step 3: Cross multiply
    400,592.79x = 600,870.96 × 134,332.83
  4. Step 4: Simplify right side
    400,592.79x = 80,716,696,521.62
  5. Step 5: Solve for x
    x = 80,716,696,521.62/400,592.79
  6. Step 6: Final answer
    x = 201,493.13

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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.