Home / 912,613.54-1,368,815.74-238,759.88

Finding the Fourth Proportional to 912,613.54, 1,368,815.74 and 238,759.88

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Solution

The fourth proportional to 912,613.54, 1,368,815.74 and 238,759.88 is: 358,112.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,613.54 : 1,368,815.74 = 238,759.88 : x
  2. Step 2: Convert to fraction form
    912,613.54/1,368,815.74 = 238,759.88/x
  3. Step 3: Cross multiply
    912,613.54x = 1,368,815.74 × 238,759.88
  4. Step 4: Simplify right side
    912,613.54x = 326,818,281,824.51
  5. Step 5: Solve for x
    x = 326,818,281,824.51/912,613.54
  6. Step 6: Final answer
    x = 358,112.46

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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.