Home / 679,108.12-937,123.14-373,205.88

Finding the Fourth Proportional to 679,108.12, 937,123.14 and 373,205.88

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Solution

The fourth proportional to 679,108.12, 937,123.14 and 373,205.88 is: 514,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,108.12 : 937,123.14 = 373,205.88 : x
  2. Step 2: Convert to fraction form
    679,108.12/937,123.14 = 373,205.88/x
  3. Step 3: Cross multiply
    679,108.12x = 937,123.14 × 373,205.88
  4. Step 4: Simplify right side
    679,108.12x = 349,739,866,132.06
  5. Step 5: Solve for x
    x = 349,739,866,132.06/679,108.12
  6. Step 6: Final answer
    x = 514,998.80

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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.