Home / 980,551.28-1,470,830.76-648,053.36

Finding the Fourth Proportional to 980,551.28, 1,470,830.76 and 648,053.36

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Solution

The fourth proportional to 980,551.28, 1,470,830.76 and 648,053.36 is: 972,082.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,551.28 : 1,470,830.76 = 648,053.36 : x
  2. Step 2: Convert to fraction form
    980,551.28/1,470,830.76 = 648,053.36/x
  3. Step 3: Cross multiply
    980,551.28x = 1,470,830.76 × 648,053.36
  4. Step 4: Simplify right side
    980,551.28x = 953,176,816,009.35
  5. Step 5: Solve for x
    x = 953,176,816,009.35/980,551.28
  6. Step 6: Final answer
    x = 972,082.58

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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.