Home / 881,159.50-1,216,003.35-478,751.50

Finding the Fourth Proportional to 881,159.50, 1,216,003.35 and 478,751.50

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Solution

The fourth proportional to 881,159.50, 1,216,003.35 and 478,751.50 is: 660,678.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,159.50 : 1,216,003.35 = 478,751.50 : x
  2. Step 2: Convert to fraction form
    881,159.50/1,216,003.35 = 478,751.50/x
  3. Step 3: Cross multiply
    881,159.50x = 1,216,003.35 × 478,751.50
  4. Step 4: Simplify right side
    881,159.50x = 582,163,427,817.53
  5. Step 5: Solve for x
    x = 582,163,427,817.53/881,159.50
  6. Step 6: Final answer
    x = 660,678.83

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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.