Home / 975,110.88-1,345,643.04-545,390

Finding the Fourth Proportional to 975,110.88, 1,345,643.04 and 545,390

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Solution

The fourth proportional to 975,110.88, 1,345,643.04 and 545,390 is: 752,632.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,110.88 : 1,345,643.04 = 545,390 : x
  2. Step 2: Convert to fraction form
    975,110.88/1,345,643.04 = 545,390/x
  3. Step 3: Cross multiply
    975,110.88x = 1,345,643.04 × 545,390
  4. Step 4: Simplify right side
    975,110.88x = 733,900,257,585.60
  5. Step 5: Solve for x
    x = 733,900,257,585.60/975,110.88
  6. Step 6: Final answer
    x = 752,632.62

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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.