Home / 558,909.12-771,294.72-304,260.24

Finding the Fourth Proportional to 558,909.12, 771,294.72 and 304,260.24

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Solution

The fourth proportional to 558,909.12, 771,294.72 and 304,260.24 is: 419,879.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,909.12 : 771,294.72 = 304,260.24 : x
  2. Step 2: Convert to fraction form
    558,909.12/771,294.72 = 304,260.24/x
  3. Step 3: Cross multiply
    558,909.12x = 771,294.72 × 304,260.24
  4. Step 4: Simplify right side
    558,909.12x = 234,674,316,617.93
  5. Step 5: Solve for x
    x = 234,674,316,617.93/558,909.12
  6. Step 6: Final answer
    x = 419,879.20

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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.