Home / 772,113.20-1,155,712.20-550,929.20

Finding the Fourth Proportional to 772,113.20, 1,155,712.20 and 550,929.20

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Solution

The fourth proportional to 772,113.20, 1,155,712.20 and 550,929.20 is: 824,640.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,113.20 : 1,155,712.20 = 550,929.20 : x
  2. Step 2: Convert to fraction form
    772,113.20/1,155,712.20 = 550,929.20/x
  3. Step 3: Cross multiply
    772,113.20x = 1,155,712.20 × 550,929.20
  4. Step 4: Simplify right side
    772,113.20x = 636,715,597,776.24
  5. Step 5: Solve for x
    x = 636,715,597,776.24/772,113.20
  6. Step 6: Final answer
    x = 824,640.22

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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.