Home / 679,521.94-937,742.15-373,629.59

Finding the Fourth Proportional to 679,521.94, 937,742.15 and 373,629.59

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Solution

The fourth proportional to 679,521.94, 937,742.15 and 373,629.59 is: 515,609.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,521.94 : 937,742.15 = 373,629.59 : x
  2. Step 2: Convert to fraction form
    679,521.94/937,742.15 = 373,629.59/x
  3. Step 3: Cross multiply
    679,521.94x = 937,742.15 × 373,629.59
  4. Step 4: Simplify right side
    679,521.94x = 350,368,213,162.07
  5. Step 5: Solve for x
    x = 350,368,213,162.07/679,521.94
  6. Step 6: Final answer
    x = 515,609.86

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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.