Home / 637,731.75-880,070.72-347,344.46

Finding the Fourth Proportional to 637,731.75, 880,070.72 and 347,344.46

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Solution

The fourth proportional to 637,731.75, 880,070.72 and 347,344.46 is: 479,335.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,731.75 : 880,070.72 = 347,344.46 : x
  2. Step 2: Convert to fraction form
    637,731.75/880,070.72 = 347,344.46/x
  3. Step 3: Cross multiply
    637,731.75x = 880,070.72 × 347,344.46
  4. Step 4: Simplify right side
    637,731.75x = 305,687,684,852.41
  5. Step 5: Solve for x
    x = 305,687,684,852.41/637,731.75
  6. Step 6: Final answer
    x = 479,335.84

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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.