Home / 539,032.47-743,868.32-297,321.57

Finding the Fourth Proportional to 539,032.47, 743,868.32 and 297,321.57

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Solution

The fourth proportional to 539,032.47, 743,868.32 and 297,321.57 is: 410,305.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,032.47 : 743,868.32 = 297,321.57 : x
  2. Step 2: Convert to fraction form
    539,032.47/743,868.32 = 297,321.57/x
  3. Step 3: Cross multiply
    539,032.47x = 743,868.32 × 297,321.57
  4. Step 4: Simplify right side
    539,032.47x = 221,168,095,289.06
  5. Step 5: Solve for x
    x = 221,168,095,289.06/539,032.47
  6. Step 6: Final answer
    x = 410,305.70

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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.