Home / 744,147.29-1,116,227.08-238,712.45

Finding the Fourth Proportional to 744,147.29, 1,116,227.08 and 238,712.45

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Solution

The fourth proportional to 744,147.29, 1,116,227.08 and 238,712.45 is: 358,070.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,147.29 : 1,116,227.08 = 238,712.45 : x
  2. Step 2: Convert to fraction form
    744,147.29/1,116,227.08 = 238,712.45/x
  3. Step 3: Cross multiply
    744,147.29x = 1,116,227.08 × 238,712.45
  4. Step 4: Simplify right side
    744,147.29x = 266,457,303,216.93
  5. Step 5: Solve for x
    x = 266,457,303,216.93/744,147.29
  6. Step 6: Final answer
    x = 358,070.65

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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.