Home / 745,329.60-1,117,994.40-446,731.20

Finding the Fourth Proportional to 745,329.60, 1,117,994.40 and 446,731.20

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Solution

The fourth proportional to 745,329.60, 1,117,994.40 and 446,731.20 is: 670,096.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,329.60 : 1,117,994.40 = 446,731.20 : x
  2. Step 2: Convert to fraction form
    745,329.60/1,117,994.40 = 446,731.20/x
  3. Step 3: Cross multiply
    745,329.60x = 1,117,994.40 × 446,731.20
  4. Step 4: Simplify right side
    745,329.60x = 499,442,979,905.28
  5. Step 5: Solve for x
    x = 499,442,979,905.28/745,329.60
  6. Step 6: Final answer
    x = 670,096.80

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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.