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Finding the Fourth Proportional to 397,337.60, 596,006.40 and 367,011.20

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Solution

The fourth proportional to 397,337.60, 596,006.40 and 367,011.20 is: 550,516.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,337.60 : 596,006.40 = 367,011.20 : x
  2. Step 2: Convert to fraction form
    397,337.60/596,006.40 = 367,011.20/x
  3. Step 3: Cross multiply
    397,337.60x = 596,006.40 × 367,011.20
  4. Step 4: Simplify right side
    397,337.60x = 218,741,024,071.68
  5. Step 5: Solve for x
    x = 218,741,024,071.68/397,337.60
  6. Step 6: Final answer
    x = 550,516.80

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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.