Home / 847,886.28-1,170,069.56-465,904.86

Finding the Fourth Proportional to 847,886.28, 1,170,069.56 and 465,904.86

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Solution

The fourth proportional to 847,886.28, 1,170,069.56 and 465,904.86 is: 642,941.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,886.28 : 1,170,069.56 = 465,904.86 : x
  2. Step 2: Convert to fraction form
    847,886.28/1,170,069.56 = 465,904.86/x
  3. Step 3: Cross multiply
    847,886.28x = 1,170,069.56 × 465,904.86
  4. Step 4: Simplify right side
    847,886.28x = 545,141,094,542.06
  5. Step 5: Solve for x
    x = 545,141,094,542.06/847,886.28
  6. Step 6: Final answer
    x = 642,941.29

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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.