Home / 882,013.05-1,323,685.40-645,967.71

Finding the Fourth Proportional to 882,013.05, 1,323,685.40 and 645,967.71

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Solution

The fourth proportional to 882,013.05, 1,323,685.40 and 645,967.71 is: 969,439.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,013.05 : 1,323,685.40 = 645,967.71 : x
  2. Step 2: Convert to fraction form
    882,013.05/1,323,685.40 = 645,967.71/x
  3. Step 3: Cross multiply
    882,013.05x = 1,323,685.40 × 645,967.71
  4. Step 4: Simplify right side
    882,013.05x = 855,058,023,368.60
  5. Step 5: Solve for x
    x = 855,058,023,368.60/882,013.05
  6. Step 6: Final answer
    x = 969,439.20

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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.