Home / 558,919.65-838,509.63-159,565.89

Finding the Fourth Proportional to 558,919.65, 838,509.63 and 159,565.89

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Solution

The fourth proportional to 558,919.65, 838,509.63 and 159,565.89 is: 239,385.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,919.65 : 838,509.63 = 159,565.89 : x
  2. Step 2: Convert to fraction form
    558,919.65/838,509.63 = 159,565.89/x
  3. Step 3: Cross multiply
    558,919.65x = 838,509.63 × 159,565.89
  4. Step 4: Simplify right side
    558,919.65x = 133,797,535,384.52
  5. Step 5: Solve for x
    x = 133,797,535,384.52/558,919.65
  6. Step 6: Final answer
    x = 239,385.99

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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.