Home / 590,637.40-885,956.10-275,126.20

Finding the Fourth Proportional to 590,637.40, 885,956.10 and 275,126.20

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Solution

The fourth proportional to 590,637.40, 885,956.10 and 275,126.20 is: 412,689.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,637.40 : 885,956.10 = 275,126.20 : x
  2. Step 2: Convert to fraction form
    590,637.40/885,956.10 = 275,126.20/x
  3. Step 3: Cross multiply
    590,637.40x = 885,956.10 × 275,126.20
  4. Step 4: Simplify right side
    590,637.40x = 243,749,735,159.82
  5. Step 5: Solve for x
    x = 243,749,735,159.82/590,637.40
  6. Step 6: Final answer
    x = 412,689.30

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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.