Home / 710,902.20-1,064,970.90-394,793.40

Finding the Fourth Proportional to 710,902.20, 1,064,970.90 and 394,793.40

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Solution

The fourth proportional to 710,902.20, 1,064,970.90 and 394,793.40 is: 591,422.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,902.20 : 1,064,970.90 = 394,793.40 : x
  2. Step 2: Convert to fraction form
    710,902.20/1,064,970.90 = 394,793.40/x
  3. Step 3: Cross multiply
    710,902.20x = 1,064,970.90 × 394,793.40
  4. Step 4: Simplify right side
    710,902.20x = 420,443,482,512.06
  5. Step 5: Solve for x
    x = 420,443,482,512.06/710,902.20
  6. Step 6: Final answer
    x = 591,422.40

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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.