Home / 559,340.20-771,885.52-304,691.40

Finding the Fourth Proportional to 559,340.20, 771,885.52 and 304,691.40

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Solution

The fourth proportional to 559,340.20, 771,885.52 and 304,691.40 is: 420,471.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,340.20 : 771,885.52 = 304,691.40 : x
  2. Step 2: Convert to fraction form
    559,340.20/771,885.52 = 304,691.40/x
  3. Step 3: Cross multiply
    559,340.20x = 771,885.52 × 304,691.40
  4. Step 4: Simplify right side
    559,340.20x = 235,186,879,728.53
  5. Step 5: Solve for x
    x = 235,186,879,728.53/559,340.20
  6. Step 6: Final answer
    x = 420,471.98

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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.