Home / 679,647.29-937,936.67-373,735.20

Finding the Fourth Proportional to 679,647.29, 937,936.67 and 373,735.20

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Solution

The fourth proportional to 679,647.29, 937,936.67 and 373,735.20 is: 515,767.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,647.29 : 937,936.67 = 373,735.20 : x
  2. Step 2: Convert to fraction form
    679,647.29/937,936.67 = 373,735.20/x
  3. Step 3: Cross multiply
    679,647.29x = 937,936.67 × 373,735.20
  4. Step 4: Simplify right side
    679,647.29x = 350,539,947,081.11
  5. Step 5: Solve for x
    x = 350,539,947,081.11/679,647.29
  6. Step 6: Final answer
    x = 515,767.45

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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.