Home / 979,831.04-1,352,132.10-550,129.28

Finding the Fourth Proportional to 979,831.04, 1,352,132.10 and 550,129.28

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Solution

The fourth proportional to 979,831.04, 1,352,132.10 and 550,129.28 is: 759,158.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,831.04 : 1,352,132.10 = 550,129.28 : x
  2. Step 2: Convert to fraction form
    979,831.04/1,352,132.10 = 550,129.28/x
  3. Step 3: Cross multiply
    979,831.04x = 1,352,132.10 × 550,129.28
  4. Step 4: Simplify right side
    979,831.04x = 743,847,451,877.23
  5. Step 5: Solve for x
    x = 743,847,451,877.23/979,831.04
  6. Step 6: Final answer
    x = 759,158.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.