Home / 980,549.28-1,470,827.76-648,051.36

Finding the Fourth Proportional to 980,549.28, 1,470,827.76 and 648,051.36

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Solution

The fourth proportional to 980,549.28, 1,470,827.76 and 648,051.36 is: 972,079.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,549.28 : 1,470,827.76 = 648,051.36 : x
  2. Step 2: Convert to fraction form
    980,549.28/1,470,827.76 = 648,051.36/x
  3. Step 3: Cross multiply
    980,549.28x = 1,470,827.76 × 648,051.36
  4. Step 4: Simplify right side
    980,549.28x = 953,171,930,193.75
  5. Step 5: Solve for x
    x = 953,171,930,193.75/980,549.28
  6. Step 6: Final answer
    x = 972,079.58

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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.