Home / 749,066.90-1,123,600.35-433,361.30

Finding the Fourth Proportional to 749,066.90, 1,123,600.35 and 433,361.30

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Solution

The fourth proportional to 749,066.90, 1,123,600.35 and 433,361.30 is: 650,041.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,066.90 : 1,123,600.35 = 433,361.30 : x
  2. Step 2: Convert to fraction form
    749,066.90/1,123,600.35 = 433,361.30/x
  3. Step 3: Cross multiply
    749,066.90x = 1,123,600.35 × 433,361.30
  4. Step 4: Simplify right side
    749,066.90x = 486,924,908,356.46
  5. Step 5: Solve for x
    x = 486,924,908,356.46/749,066.90
  6. Step 6: Final answer
    x = 650,041.95

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Half scale
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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.