Home / 679,217.39-937,341.08-373,288.20

Finding the Fourth Proportional to 679,217.39, 937,341.08 and 373,288.20

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Solution

The fourth proportional to 679,217.39, 937,341.08 and 373,288.20 is: 515,149.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,217.39 : 937,341.08 = 373,288.20 : x
  2. Step 2: Convert to fraction form
    679,217.39/937,341.08 = 373,288.20/x
  3. Step 3: Cross multiply
    679,217.39x = 937,341.08 × 373,288.20
  4. Step 4: Simplify right side
    679,217.39x = 349,898,362,672.82
  5. Step 5: Solve for x
    x = 349,898,362,672.82/679,217.39
  6. Step 6: Final answer
    x = 515,149.30

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.