Home / 744,905.60-1,117,358.40-446,307.20

Finding the Fourth Proportional to 744,905.60, 1,117,358.40 and 446,307.20

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Solution

The fourth proportional to 744,905.60, 1,117,358.40 and 446,307.20 is: 669,460.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,905.60 : 1,117,358.40 = 446,307.20 : x
  2. Step 2: Convert to fraction form
    744,905.60/1,117,358.40 = 446,307.20/x
  3. Step 3: Cross multiply
    744,905.60x = 1,117,358.40 × 446,307.20
  4. Step 4: Simplify right side
    744,905.60x = 498,685,098,900.48
  5. Step 5: Solve for x
    x = 498,685,098,900.48/744,905.60
  6. Step 6: Final answer
    x = 669,460.80

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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.