Home / 969,979.61-1,338,572.22-562,317.76

Finding the Fourth Proportional to 969,979.61, 1,338,572.22 and 562,317.76

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Solution

The fourth proportional to 969,979.61, 1,338,572.22 and 562,317.76 is: 775,998.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,979.61 : 1,338,572.22 = 562,317.76 : x
  2. Step 2: Convert to fraction form
    969,979.61/1,338,572.22 = 562,317.76/x
  3. Step 3: Cross multiply
    969,979.61x = 1,338,572.22 × 562,317.76
  4. Step 4: Simplify right side
    969,979.61x = 752,702,929,002.20
  5. Step 5: Solve for x
    x = 752,702,929,002.20/969,979.61
  6. Step 6: Final answer
    x = 775,998.72

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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.