Home / 722,934.30-1,084,401.45-457,213.80

Finding the Fourth Proportional to 722,934.30, 1,084,401.45 and 457,213.80

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Solution

The fourth proportional to 722,934.30, 1,084,401.45 and 457,213.80 is: 685,820.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,934.30 : 1,084,401.45 = 457,213.80 : x
  2. Step 2: Convert to fraction form
    722,934.30/1,084,401.45 = 457,213.80/x
  3. Step 3: Cross multiply
    722,934.30x = 1,084,401.45 × 457,213.80
  4. Step 4: Simplify right side
    722,934.30x = 495,803,307,680.01
  5. Step 5: Solve for x
    x = 495,803,307,680.01/722,934.30
  6. Step 6: Final answer
    x = 685,820.70

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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.