Home / 980,547.28-1,470,824.76-648,049.36

Finding the Fourth Proportional to 980,547.28, 1,470,824.76 and 648,049.36

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Solution

The fourth proportional to 980,547.28, 1,470,824.76 and 648,049.36 is: 972,076.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,547.28 : 1,470,824.76 = 648,049.36 : x
  2. Step 2: Convert to fraction form
    980,547.28/1,470,824.76 = 648,049.36/x
  3. Step 3: Cross multiply
    980,547.28x = 1,470,824.76 × 648,049.36
  4. Step 4: Simplify right side
    980,547.28x = 953,167,044,390.15
  5. Step 5: Solve for x
    x = 953,167,044,390.15/980,547.28
  6. Step 6: Final answer
    x = 972,076.58

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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.