Home / 498,421.60-747,632.40-364,577.20

Finding the Fourth Proportional to 498,421.60, 747,632.40 and 364,577.20

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Solution

The fourth proportional to 498,421.60, 747,632.40 and 364,577.20 is: 546,865.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,421.60 : 747,632.40 = 364,577.20 : x
  2. Step 2: Convert to fraction form
    498,421.60/747,632.40 = 364,577.20/x
  3. Step 3: Cross multiply
    498,421.60x = 747,632.40 × 364,577.20
  4. Step 4: Simplify right side
    498,421.60x = 272,569,727,021.28
  5. Step 5: Solve for x
    x = 272,569,727,021.28/498,421.60
  6. Step 6: Final answer
    x = 546,865.80

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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.