Home / 886,917.80-1,330,376.70-532,332.20

Finding the Fourth Proportional to 886,917.80, 1,330,376.70 and 532,332.20

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Solution

The fourth proportional to 886,917.80, 1,330,376.70 and 532,332.20 is: 798,498.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,917.80 : 1,330,376.70 = 532,332.20 : x
  2. Step 2: Convert to fraction form
    886,917.80/1,330,376.70 = 532,332.20/x
  3. Step 3: Cross multiply
    886,917.80x = 1,330,376.70 × 532,332.20
  4. Step 4: Simplify right side
    886,917.80x = 708,202,355,539.74
  5. Step 5: Solve for x
    x = 708,202,355,539.74/886,917.80
  6. Step 6: Final answer
    x = 798,498.30

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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.