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Finding the Fourth Proportional to 560,906.80, 841,360.20 and 490,922.80

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Solution

The fourth proportional to 560,906.80, 841,360.20 and 490,922.80 is: 736,384.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,906.80 : 841,360.20 = 490,922.80 : x
  2. Step 2: Convert to fraction form
    560,906.80/841,360.20 = 490,922.80/x
  3. Step 3: Cross multiply
    560,906.80x = 841,360.20 × 490,922.80
  4. Step 4: Simplify right side
    560,906.80x = 413,042,905,192.56
  5. Step 5: Solve for x
    x = 413,042,905,192.56/560,906.80
  6. Step 6: Final answer
    x = 736,384.20

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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.