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Finding the Fourth Proportional to 584,424.40, 876,636.60 and 372,917.20

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Solution

The fourth proportional to 584,424.40, 876,636.60 and 372,917.20 is: 559,375.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,424.40 : 876,636.60 = 372,917.20 : x
  2. Step 2: Convert to fraction form
    584,424.40/876,636.60 = 372,917.20/x
  3. Step 3: Cross multiply
    584,424.40x = 876,636.60 × 372,917.20
  4. Step 4: Simplify right side
    584,424.40x = 326,912,866,289.52
  5. Step 5: Solve for x
    x = 326,912,866,289.52/584,424.40
  6. Step 6: Final answer
    x = 559,375.80

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1.5x scale

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.