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Finding the Fourth Proportional to 559,030.02, 771,463.24 and 304,382.76

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Solution

The fourth proportional to 559,030.02, 771,463.24 and 304,382.76 is: 420,049.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,030.02 : 771,463.24 = 304,382.76 : x
  2. Step 2: Convert to fraction form
    559,030.02/771,463.24 = 304,382.76/x
  3. Step 3: Cross multiply
    559,030.02x = 771,463.24 × 304,382.76
  4. Step 4: Simplify right side
    559,030.02x = 234,820,110,229.74
  5. Step 5: Solve for x
    x = 234,820,110,229.74/559,030.02
  6. Step 6: Final answer
    x = 420,049.20

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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.