Home / 976,895.40-1,465,343.10-345,727.20

Finding the Fourth Proportional to 976,895.40, 1,465,343.10 and 345,727.20

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Solution

The fourth proportional to 976,895.40, 1,465,343.10 and 345,727.20 is: 518,590.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,895.40 : 1,465,343.10 = 345,727.20 : x
  2. Step 2: Convert to fraction form
    976,895.40/1,465,343.10 = 345,727.20/x
  3. Step 3: Cross multiply
    976,895.40x = 1,465,343.10 × 345,727.20
  4. Step 4: Simplify right side
    976,895.40x = 506,608,967,002.32
  5. Step 5: Solve for x
    x = 506,608,967,002.32/976,895.40
  6. Step 6: Final answer
    x = 518,590.80

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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.