Home / 977,136.40-1,465,704.60-479,472.40

Finding the Fourth Proportional to 977,136.40, 1,465,704.60 and 479,472.40

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Solution

The fourth proportional to 977,136.40, 1,465,704.60 and 479,472.40 is: 719,208.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,136.40 : 1,465,704.60 = 479,472.40 : x
  2. Step 2: Convert to fraction form
    977,136.40/1,465,704.60 = 479,472.40/x
  3. Step 3: Cross multiply
    977,136.40x = 1,465,704.60 × 479,472.40
  4. Step 4: Simplify right side
    977,136.40x = 702,764,902,253.04
  5. Step 5: Solve for x
    x = 702,764,902,253.04/977,136.40
  6. Step 6: Final answer
    x = 719,208.60

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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.