Home / 539,119.96-743,973.60-297,402.72

Finding the Fourth Proportional to 539,119.96, 743,973.60 and 297,402.72

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Solution

The fourth proportional to 539,119.96, 743,973.60 and 297,402.72 is: 410,409.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,119.96 : 743,973.60 = 297,402.72 : x
  2. Step 2: Convert to fraction form
    539,119.96/743,973.60 = 297,402.72/x
  3. Step 3: Cross multiply
    539,119.96x = 743,973.60 × 297,402.72
  4. Step 4: Simplify right side
    539,119.96x = 221,259,772,248.19
  5. Step 5: Solve for x
    x = 221,259,772,248.19/539,119.96
  6. Step 6: Final answer
    x = 410,409.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.