Home / 559,385.52-771,945.08-304,731.28

Finding the Fourth Proportional to 559,385.52, 771,945.08 and 304,731.28

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Solution

The fourth proportional to 559,385.52, 771,945.08 and 304,731.28 is: 420,525.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,385.52 : 771,945.08 = 304,731.28 : x
  2. Step 2: Convert to fraction form
    559,385.52/771,945.08 = 304,731.28/x
  3. Step 3: Cross multiply
    559,385.52x = 771,945.08 × 304,731.28
  4. Step 4: Simplify right side
    559,385.52x = 235,235,812,318.10
  5. Step 5: Solve for x
    x = 235,235,812,318.10/559,385.52
  6. Step 6: Final answer
    x = 420,525.39

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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.