Home / 975,480.80-1,346,215.78-545,735.28

Finding the Fourth Proportional to 975,480.80, 1,346,215.78 and 545,735.28

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Solution

The fourth proportional to 975,480.80, 1,346,215.78 and 545,735.28 is: 753,143.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,480.80 : 1,346,215.78 = 545,735.28 : x
  2. Step 2: Convert to fraction form
    975,480.80/1,346,215.78 = 545,735.28/x
  3. Step 3: Cross multiply
    975,480.80x = 1,346,215.78 × 545,735.28
  4. Step 4: Simplify right side
    975,480.80x = 734,677,445,638.72
  5. Step 5: Solve for x
    x = 734,677,445,638.72/975,480.80
  6. Step 6: Final answer
    x = 753,143.93

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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.