Home / 778,216.55-1,167,360.59-238,434.17

Finding the Fourth Proportional to 778,216.55, 1,167,360.59 and 238,434.17

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Solution

The fourth proportional to 778,216.55, 1,167,360.59 and 238,434.17 is: 357,662.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,216.55 : 1,167,360.59 = 238,434.17 : x
  2. Step 2: Convert to fraction form
    778,216.55/1,167,360.59 = 238,434.17/x
  3. Step 3: Cross multiply
    778,216.55x = 1,167,360.59 × 238,434.17
  4. Step 4: Simplify right side
    778,216.55x = 278,338,648,126.64
  5. Step 5: Solve for x
    x = 278,338,648,126.64/778,216.55
  6. Step 6: Final answer
    x = 357,662.21

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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.