Home / 679,520.53-937,740.20-373,628.18

Finding the Fourth Proportional to 679,520.53, 937,740.20 and 373,628.18

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Solution

The fourth proportional to 679,520.53, 937,740.20 and 373,628.18 is: 515,607.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,520.53 : 937,740.20 = 373,628.18 : x
  2. Step 2: Convert to fraction form
    679,520.53/937,740.20 = 373,628.18/x
  3. Step 3: Cross multiply
    679,520.53x = 937,740.20 × 373,628.18
  4. Step 4: Simplify right side
    679,520.53x = 350,366,164,238.84
  5. Step 5: Solve for x
    x = 350,366,164,238.84/679,520.53
  6. Step 6: Final answer
    x = 515,607.92

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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.