Home / 975,478.78-1,346,213.04-545,733.28

Finding the Fourth Proportional to 975,478.78, 1,346,213.04 and 545,733.28

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Solution

The fourth proportional to 975,478.78, 1,346,213.04 and 545,733.28 is: 753,141.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,478.78 : 1,346,213.04 = 545,733.28 : x
  2. Step 2: Convert to fraction form
    975,478.78/1,346,213.04 = 545,733.28/x
  3. Step 3: Cross multiply
    975,478.78x = 1,346,213.04 × 545,733.28
  4. Step 4: Simplify right side
    975,478.78x = 734,673,257,897.97
  5. Step 5: Solve for x
    x = 734,673,257,897.97/975,478.78
  6. Step 6: Final answer
    x = 753,141.20

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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.