Home / 679,677.53-937,970.20-373,734.46

Finding the Fourth Proportional to 679,677.53, 937,970.20 and 373,734.46

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Solution

The fourth proportional to 679,677.53, 937,970.20 and 373,734.46 is: 515,761.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,677.53 : 937,970.20 = 373,734.46 : x
  2. Step 2: Convert to fraction form
    679,677.53/937,970.20 = 373,734.46/x
  3. Step 3: Cross multiply
    679,677.53x = 937,970.20 × 373,734.46
  4. Step 4: Simplify right side
    679,677.53x = 350,551,783,607.77
  5. Step 5: Solve for x
    x = 350,551,783,607.77/679,677.53
  6. Step 6: Final answer
    x = 515,761.91

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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.