Home / 975,470.78-1,346,201.98-545,725.28

Finding the Fourth Proportional to 975,470.78, 1,346,201.98 and 545,725.28

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Solution

The fourth proportional to 975,470.78, 1,346,201.98 and 545,725.28 is: 753,130.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,470.78 : 1,346,201.98 = 545,725.28 : x
  2. Step 2: Convert to fraction form
    975,470.78/1,346,201.98 = 545,725.28/x
  3. Step 3: Cross multiply
    975,470.78x = 1,346,201.98 × 545,725.28
  4. Step 4: Simplify right side
    975,470.78x = 734,656,452,472.06
  5. Step 5: Solve for x
    x = 734,656,452,472.06/975,470.78
  6. Step 6: Final answer
    x = 753,130.15

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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.