Home / 841,101.96-1,160,680.35-478,491.90

Finding the Fourth Proportional to 841,101.96, 1,160,680.35 and 478,491.90

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Solution

The fourth proportional to 841,101.96, 1,160,680.35 and 478,491.90 is: 660,295.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,101.96 : 1,160,680.35 = 478,491.90 : x
  2. Step 2: Convert to fraction form
    841,101.96/1,160,680.35 = 478,491.90/x
  3. Step 3: Cross multiply
    841,101.96x = 1,160,680.35 × 478,491.90
  4. Step 4: Simplify right side
    841,101.96x = 555,376,145,964.17
  5. Step 5: Solve for x
    x = 555,376,145,964.17/841,101.96
  6. Step 6: Final answer
    x = 660,295.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.