Home / 458,926.47-688,285.76-174,515.63

Finding the Fourth Proportional to 458,926.47, 688,285.76 and 174,515.63

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Solution

The fourth proportional to 458,926.47, 688,285.76 and 174,515.63 is: 261,733.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,926.47 : 688,285.76 = 174,515.63 : x
  2. Step 2: Convert to fraction form
    458,926.47/688,285.76 = 174,515.63/x
  3. Step 3: Cross multiply
    458,926.47x = 688,285.76 × 174,515.63
  4. Step 4: Simplify right side
    458,926.47x = 120,116,618,712.42
  5. Step 5: Solve for x
    x = 120,116,618,712.42/458,926.47
  6. Step 6: Final answer
    x = 261,733.91

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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.