Home / 690,520.20-1,034,030.70-550,552.20

Finding the Fourth Proportional to 690,520.20, 1,034,030.70 and 550,552.20

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Solution

The fourth proportional to 690,520.20, 1,034,030.70 and 550,552.20 is: 824,433.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,520.20 : 1,034,030.70 = 550,552.20 : x
  2. Step 2: Convert to fraction form
    690,520.20/1,034,030.70 = 550,552.20/x
  3. Step 3: Cross multiply
    690,520.20x = 1,034,030.70 × 550,552.20
  4. Step 4: Simplify right side
    690,520.20x = 569,287,876,752.54
  5. Step 5: Solve for x
    x = 569,287,876,752.54/690,520.20
  6. Step 6: Final answer
    x = 824,433.34

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1.5x scale

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.