Home / 679,737.24-938,012.85-373,811.04

Finding the Fourth Proportional to 679,737.24, 938,012.85 and 373,811.04

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Solution

The fourth proportional to 679,737.24, 938,012.85 and 373,811.04 is: 515,845.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,737.24 : 938,012.85 = 373,811.04 : x
  2. Step 2: Convert to fraction form
    679,737.24/938,012.85 = 373,811.04/x
  3. Step 3: Cross multiply
    679,737.24x = 938,012.85 × 373,811.04
  4. Step 4: Simplify right side
    679,737.24x = 350,639,558,991.86
  5. Step 5: Solve for x
    x = 350,639,558,991.86/679,737.24
  6. Step 6: Final answer
    x = 515,845.74

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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.