Home / 527,002.20-790,503.30-338,045.40

Finding the Fourth Proportional to 527,002.20, 790,503.30 and 338,045.40

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Solution

The fourth proportional to 527,002.20, 790,503.30 and 338,045.40 is: 507,068.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,002.20 : 790,503.30 = 338,045.40 : x
  2. Step 2: Convert to fraction form
    527,002.20/790,503.30 = 338,045.40/x
  3. Step 3: Cross multiply
    527,002.20x = 790,503.30 × 338,045.40
  4. Step 4: Simplify right side
    527,002.20x = 267,226,004,249.82
  5. Step 5: Solve for x
    x = 267,226,004,249.82/527,002.20
  6. Step 6: Final answer
    x = 507,068.10

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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.