Home / 876,688.80-1,314,061.20-344,032.80

Finding the Fourth Proportional to 876,688.80, 1,314,061.20 and 344,032.80

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Solution

The fourth proportional to 876,688.80, 1,314,061.20 and 344,032.80 is: 515,667.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,688.80 : 1,314,061.20 = 344,032.80 : x
  2. Step 2: Convert to fraction form
    876,688.80/1,314,061.20 = 344,032.80/x
  3. Step 3: Cross multiply
    876,688.80x = 1,314,061.20 × 344,032.80
  4. Step 4: Simplify right side
    876,688.80x = 452,080,154,007.36
  5. Step 5: Solve for x
    x = 452,080,154,007.36/876,688.80
  6. Step 6: Final answer
    x = 515,667.76

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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.