Home / 976,681.80-1,465,022.70-577,116.90

Finding the Fourth Proportional to 976,681.80, 1,465,022.70 and 577,116.90

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Solution

The fourth proportional to 976,681.80, 1,465,022.70 and 577,116.90 is: 865,675.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,681.80 : 1,465,022.70 = 577,116.90 : x
  2. Step 2: Convert to fraction form
    976,681.80/1,465,022.70 = 577,116.90/x
  3. Step 3: Cross multiply
    976,681.80x = 1,465,022.70 × 577,116.90
  4. Step 4: Simplify right side
    976,681.80x = 845,489,359,053.63
  5. Step 5: Solve for x
    x = 845,489,359,053.63/976,681.80
  6. Step 6: Final answer
    x = 865,675.35

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Double scale
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Similar ratio
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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.