Home / 972,785.16-1,342,304.70-543,055.86

Finding the Fourth Proportional to 972,785.16, 1,342,304.70 and 543,055.86

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Solution

The fourth proportional to 972,785.16, 1,342,304.70 and 543,055.86 is: 749,339.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,785.16 : 1,342,304.70 = 543,055.86 : x
  2. Step 2: Convert to fraction form
    972,785.16/1,342,304.70 = 543,055.86/x
  3. Step 3: Cross multiply
    972,785.16x = 1,342,304.70 × 543,055.86
  4. Step 4: Simplify right side
    972,785.16x = 728,946,433,240.54
  5. Step 5: Solve for x
    x = 728,946,433,240.54/972,785.16
  6. Step 6: Final answer
    x = 749,339.59

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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.