Home / 782,433.18-1,079,218.53-550,352.32

Finding the Fourth Proportional to 782,433.18, 1,079,218.53 and 550,352.32

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Solution

The fourth proportional to 782,433.18, 1,079,218.53 and 550,352.32 is: 759,106.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,433.18 : 1,079,218.53 = 550,352.32 : x
  2. Step 2: Convert to fraction form
    782,433.18/1,079,218.53 = 550,352.32/x
  3. Step 3: Cross multiply
    782,433.18x = 1,079,218.53 × 550,352.32
  4. Step 4: Simplify right side
    782,433.18x = 593,950,421,772.49
  5. Step 5: Solve for x
    x = 593,950,421,772.49/782,433.18
  6. Step 6: Final answer
    x = 759,106.90

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Double scale
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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.