Home / 679,517.30-937,734.48-373,598.90

Finding the Fourth Proportional to 679,517.30, 937,734.48 and 373,598.90

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Solution

The fourth proportional to 679,517.30, 937,734.48 and 373,598.90 is: 515,566.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,517.30 : 937,734.48 = 373,598.90 : x
  2. Step 2: Convert to fraction form
    679,517.30/937,734.48 = 373,598.90/x
  3. Step 3: Cross multiply
    679,517.30x = 937,734.48 × 373,598.90
  4. Step 4: Simplify right side
    679,517.30x = 350,336,570,220.07
  5. Step 5: Solve for x
    x = 350,336,570,220.07/679,517.30
  6. Step 6: Final answer
    x = 515,566.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.