Home / 718,798.25-1,078,083.12-238,986.15

Finding the Fourth Proportional to 718,798.25, 1,078,083.12 and 238,986.15

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Solution

The fourth proportional to 718,798.25, 1,078,083.12 and 238,986.15 is: 358,441.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,798.25 : 1,078,083.12 = 238,986.15 : x
  2. Step 2: Convert to fraction form
    718,798.25/1,078,083.12 = 238,986.15/x
  3. Step 3: Cross multiply
    718,798.25x = 1,078,083.12 × 238,986.15
  4. Step 4: Simplify right side
    718,798.25x = 257,646,934,228.79
  5. Step 5: Solve for x
    x = 257,646,934,228.79/718,798.25
  6. Step 6: Final answer
    x = 358,441.24

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1.5x scale

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.