Home / 1,539,500.60-2,309,250.90-474,447.80

Finding the Fourth Proportional to 1,539,500.60, 2,309,250.90 and 474,447.80

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Solution

The fourth proportional to 1,539,500.60, 2,309,250.90 and 474,447.80 is: 711,671.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,500.60 : 2,309,250.90 = 474,447.80 : x
  2. Step 2: Convert to fraction form
    1,539,500.60/2,309,250.90 = 474,447.80/x
  3. Step 3: Cross multiply
    1,539,500.60x = 2,309,250.90 × 474,447.80
  4. Step 4: Simplify right side
    1,539,500.60x = 1,095,619,009,153.02
  5. Step 5: Solve for x
    x = 1,095,619,009,153.02/1,539,500.60
  6. Step 6: Final answer
    x = 711,671.70

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Double scale
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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.