Home / 679,721.67-937,996.02-373,797.72

Finding the Fourth Proportional to 679,721.67, 937,996.02 and 373,797.72

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Solution

The fourth proportional to 679,721.67, 937,996.02 and 373,797.72 is: 515,829.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,721.67 : 937,996.02 = 373,797.72 : x
  2. Step 2: Convert to fraction form
    679,721.67/937,996.02 = 373,797.72/x
  3. Step 3: Cross multiply
    679,721.67x = 937,996.02 × 373,797.72
  4. Step 4: Simplify right side
    679,721.67x = 350,620,773,645.07
  5. Step 5: Solve for x
    x = 350,620,773,645.07/679,721.67
  6. Step 6: Final answer
    x = 515,829.92

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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.