Home / 531,002.40-795,337.20-320,272.80

Finding the Fourth Proportional to 531,002.40, 795,337.20 and 320,272.80

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Solution

The fourth proportional to 531,002.40, 795,337.20 and 320,272.80 is: 479,705.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,002.40 : 795,337.20 = 320,272.80 : x
  2. Step 2: Convert to fraction form
    531,002.40/795,337.20 = 320,272.80/x
  3. Step 3: Cross multiply
    531,002.40x = 795,337.20 × 320,272.80
  4. Step 4: Simplify right side
    531,002.40x = 254,724,871,988.16
  5. Step 5: Solve for x
    x = 254,724,871,988.16/531,002.40
  6. Step 6: Final answer
    x = 479,705.69

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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.