Home / 587,929-811,318.53-346,221.76

Finding the Fourth Proportional to 587,929, 811,318.53 and 346,221.76

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Solution

The fourth proportional to 587,929, 811,318.53 and 346,221.76 is: 477,772.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,929 : 811,318.53 = 346,221.76 : x
  2. Step 2: Convert to fraction form
    587,929/811,318.53 = 346,221.76/x
  3. Step 3: Cross multiply
    587,929x = 811,318.53 × 346,221.76
  4. Step 4: Simplify right side
    587,929x = 280,896,129,377.21
  5. Step 5: Solve for x
    x = 280,896,129,377.21/587,929
  6. Step 6: Final answer
    x = 477,772.20

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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.