Home / 882,004.74-1,321,342.29-521,098.71

Finding the Fourth Proportional to 882,004.74, 1,321,342.29 and 521,098.71

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Solution

The fourth proportional to 882,004.74, 1,321,342.29 and 521,098.71 is: 780,664.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,004.74 : 1,321,342.29 = 521,098.71 : x
  2. Step 2: Convert to fraction form
    882,004.74/1,321,342.29 = 521,098.71/x
  3. Step 3: Cross multiply
    882,004.74x = 1,321,342.29 × 521,098.71
  4. Step 4: Simplify right side
    882,004.74x = 688,549,762,787.45
  5. Step 5: Solve for x
    x = 688,549,762,787.45/882,004.74
  6. Step 6: Final answer
    x = 780,664.47

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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.