Home / 876,617.70-1,314,926.55-498,704.10

Finding the Fourth Proportional to 876,617.70, 1,314,926.55 and 498,704.10

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Solution

The fourth proportional to 876,617.70, 1,314,926.55 and 498,704.10 is: 748,056.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,617.70 : 1,314,926.55 = 498,704.10 : x
  2. Step 2: Convert to fraction form
    876,617.70/1,314,926.55 = 498,704.10/x
  3. Step 3: Cross multiply
    876,617.70x = 1,314,926.55 × 498,704.10
  4. Step 4: Simplify right side
    876,617.70x = 655,759,261,683.86
  5. Step 5: Solve for x
    x = 655,759,261,683.86/876,617.70
  6. Step 6: Final answer
    x = 748,056.15

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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.