Home / 976,939.80-1,465,409.70-577,374.90

Finding the Fourth Proportional to 976,939.80, 1,465,409.70 and 577,374.90

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Solution

The fourth proportional to 976,939.80, 1,465,409.70 and 577,374.90 is: 866,062.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,939.80 : 1,465,409.70 = 577,374.90 : x
  2. Step 2: Convert to fraction form
    976,939.80/1,465,409.70 = 577,374.90/x
  3. Step 3: Cross multiply
    976,939.80x = 1,465,409.70 × 577,374.90
  4. Step 4: Simplify right side
    976,939.80x = 846,090,778,996.53
  5. Step 5: Solve for x
    x = 846,090,778,996.53/976,939.80
  6. Step 6: Final answer
    x = 866,062.35

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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.