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Finding the Fourth Proportional to 399,227.60, 597,966.60 and 346,739.60

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Solution

The fourth proportional to 399,227.60, 597,966.60 and 346,739.60 is: 519,349.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,227.60 : 597,966.60 = 346,739.60 : x
  2. Step 2: Convert to fraction form
    399,227.60/597,966.60 = 346,739.60/x
  3. Step 3: Cross multiply
    399,227.60x = 597,966.60 × 346,739.60
  4. Step 4: Simplify right side
    399,227.60x = 207,338,699,697.36
  5. Step 5: Solve for x
    x = 207,338,699,697.36/399,227.60
  6. Step 6: Final answer
    x = 519,349.61

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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.