Home / 912,611.33-1,368,812.40-238,757.66

Finding the Fourth Proportional to 912,611.33, 1,368,812.40 and 238,757.66

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Solution

The fourth proportional to 912,611.33, 1,368,812.40 and 238,757.66 is: 358,109.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,611.33 : 1,368,812.40 = 238,757.66 : x
  2. Step 2: Convert to fraction form
    912,611.33/1,368,812.40 = 238,757.66/x
  3. Step 3: Cross multiply
    912,611.33x = 1,368,812.40 × 238,757.66
  4. Step 4: Simplify right side
    912,611.33x = 326,814,445,602.98
  5. Step 5: Solve for x
    x = 326,814,445,602.98/912,611.33
  6. Step 6: Final answer
    x = 358,109.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.