Home / 679,486.25-937,667.13-373,560.42

Finding the Fourth Proportional to 679,486.25, 937,667.13 and 373,560.42

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Solution

The fourth proportional to 679,486.25, 937,667.13 and 373,560.42 is: 515,500.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,486.25 : 937,667.13 = 373,560.42 : x
  2. Step 2: Convert to fraction form
    679,486.25/937,667.13 = 373,560.42/x
  3. Step 3: Cross multiply
    679,486.25x = 937,667.13 × 373,560.42
  4. Step 4: Simplify right side
    679,486.25x = 350,275,326,903.00
  5. Step 5: Solve for x
    x = 350,275,326,903.00/679,486.25
  6. Step 6: Final answer
    x = 515,500.25

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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.