Home / 976,988.40-1,465,482.60-658,123.80

Finding the Fourth Proportional to 976,988.40, 1,465,482.60 and 658,123.80

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Solution

The fourth proportional to 976,988.40, 1,465,482.60 and 658,123.80 is: 987,185.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,988.40 : 1,465,482.60 = 658,123.80 : x
  2. Step 2: Convert to fraction form
    976,988.40/1,465,482.60 = 658,123.80/x
  3. Step 3: Cross multiply
    976,988.40x = 1,465,482.60 × 658,123.80
  4. Step 4: Simplify right side
    976,988.40x = 964,468,977,545.88
  5. Step 5: Solve for x
    x = 964,468,977,545.88/976,988.40
  6. Step 6: Final answer
    x = 987,185.70

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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.