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Finding the Fourth Proportional to 386,001.60, 579,002.40 and 364,350.30

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Solution

The fourth proportional to 386,001.60, 579,002.40 and 364,350.30 is: 546,525.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,001.60 : 579,002.40 = 364,350.30 : x
  2. Step 2: Convert to fraction form
    386,001.60/579,002.40 = 364,350.30/x
  3. Step 3: Cross multiply
    386,001.60x = 579,002.40 × 364,350.30
  4. Step 4: Simplify right side
    386,001.60x = 210,959,698,140.72
  5. Step 5: Solve for x
    x = 210,959,698,140.72/386,001.60
  6. Step 6: Final answer
    x = 546,525.45

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Similar ratio
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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.