Home / 770,401.10-1,155,798.48-296,959.34

Finding the Fourth Proportional to 770,401.10, 1,155,798.48 and 296,959.34

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Solution

The fourth proportional to 770,401.10, 1,155,798.48 and 296,959.34 is: 445,514.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,401.10 : 1,155,798.48 = 296,959.34 : x
  2. Step 2: Convert to fraction form
    770,401.10/1,155,798.48 = 296,959.34/x
  3. Step 3: Cross multiply
    770,401.10x = 1,155,798.48 × 296,959.34
  4. Step 4: Simplify right side
    770,401.10x = 343,225,153,793.80
  5. Step 5: Solve for x
    x = 343,225,153,793.80/770,401.10
  6. Step 6: Final answer
    x = 445,514.88

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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.