Home / 778,216.50-1,167,360.57-238,434.12

Finding the Fourth Proportional to 778,216.50, 1,167,360.57 and 238,434.12

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Solution

The fourth proportional to 778,216.50, 1,167,360.57 and 238,434.12 is: 357,662.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,216.50 : 1,167,360.57 = 238,434.12 : x
  2. Step 2: Convert to fraction form
    778,216.50/1,167,360.57 = 238,434.12/x
  3. Step 3: Cross multiply
    778,216.50x = 1,167,360.57 × 238,434.12
  4. Step 4: Simplify right side
    778,216.50x = 278,338,590,230.65
  5. Step 5: Solve for x
    x = 278,338,590,230.65/778,216.50
  6. Step 6: Final answer
    x = 357,662.15

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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.