Home / 977,136.40-1,465,704.60-658,271.80

Finding the Fourth Proportional to 977,136.40, 1,465,704.60 and 658,271.80

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Solution

The fourth proportional to 977,136.40, 1,465,704.60 and 658,271.80 is: 987,407.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,136.40 : 1,465,704.60 = 658,271.80 : x
  2. Step 2: Convert to fraction form
    977,136.40/1,465,704.60 = 658,271.80/x
  3. Step 3: Cross multiply
    977,136.40x = 1,465,704.60 × 658,271.80
  4. Step 4: Simplify right side
    977,136.40x = 964,832,005,310.28
  5. Step 5: Solve for x
    x = 964,832,005,310.28/977,136.40
  6. Step 6: Final answer
    x = 987,407.70

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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.