Home / 772,125.20-1,155,730.20-550,941.20

Finding the Fourth Proportional to 772,125.20, 1,155,730.20 and 550,941.20

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Solution

The fourth proportional to 772,125.20, 1,155,730.20 and 550,941.20 is: 824,658.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,125.20 : 1,155,730.20 = 550,941.20 : x
  2. Step 2: Convert to fraction form
    772,125.20/1,155,730.20 = 550,941.20/x
  3. Step 3: Cross multiply
    772,125.20x = 1,155,730.20 × 550,941.20
  4. Step 4: Simplify right side
    772,125.20x = 636,739,383,264.24
  5. Step 5: Solve for x
    x = 636,739,383,264.24/772,125.20
  6. Step 6: Final answer
    x = 824,658.21

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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.