Home / 976,886.20-1,465,329.30-345,863.80

Finding the Fourth Proportional to 976,886.20, 1,465,329.30 and 345,863.80

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Solution

The fourth proportional to 976,886.20, 1,465,329.30 and 345,863.80 is: 518,795.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,886.20 : 1,465,329.30 = 345,863.80 : x
  2. Step 2: Convert to fraction form
    976,886.20/1,465,329.30 = 345,863.80/x
  3. Step 3: Cross multiply
    976,886.20x = 1,465,329.30 × 345,863.80
  4. Step 4: Simplify right side
    976,886.20x = 506,804,359,949.34
  5. Step 5: Solve for x
    x = 506,804,359,949.34/976,886.20
  6. Step 6: Final answer
    x = 518,795.70

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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.