Home / 781,537.55-1,172,284.44-249,090.53

Finding the Fourth Proportional to 781,537.55, 1,172,284.44 and 249,090.53

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Solution

The fourth proportional to 781,537.55, 1,172,284.44 and 249,090.53 is: 373,628.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,537.55 : 1,172,284.44 = 249,090.53 : x
  2. Step 2: Convert to fraction form
    781,537.55/1,172,284.44 = 249,090.53/x
  3. Step 3: Cross multiply
    781,537.55x = 1,172,284.44 × 249,090.53
  4. Step 4: Simplify right side
    781,537.55x = 292,004,952,470.35
  5. Step 5: Solve for x
    x = 292,004,952,470.35/781,537.55
  6. Step 6: Final answer
    x = 373,628.82

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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.