Home / 559,215.27-838,825.53-239,320.35

Finding the Fourth Proportional to 559,215.27, 838,825.53 and 239,320.35

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Solution

The fourth proportional to 559,215.27, 838,825.53 and 239,320.35 is: 358,981.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,215.27 : 838,825.53 = 239,320.35 : x
  2. Step 2: Convert to fraction form
    559,215.27/838,825.53 = 239,320.35/x
  3. Step 3: Cross multiply
    559,215.27x = 838,825.53 × 239,320.35
  4. Step 4: Simplify right side
    559,215.27x = 200,748,019,428.54
  5. Step 5: Solve for x
    x = 200,748,019,428.54/559,215.27
  6. Step 6: Final answer
    x = 358,981.65

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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.