Home / 765,961.33-1,149,094.23-260,386.57

Finding the Fourth Proportional to 765,961.33, 1,149,094.23 and 260,386.57

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Solution

The fourth proportional to 765,961.33, 1,149,094.23 and 260,386.57 is: 390,631.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,961.33 : 1,149,094.23 = 260,386.57 : x
  2. Step 2: Convert to fraction form
    765,961.33/1,149,094.23 = 260,386.57/x
  3. Step 3: Cross multiply
    765,961.33x = 1,149,094.23 × 260,386.57
  4. Step 4: Simplify right side
    765,961.33x = 299,208,699,411.02
  5. Step 5: Solve for x
    x = 299,208,699,411.02/765,961.33
  6. Step 6: Final answer
    x = 390,631.60

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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.