Home / 838,493.34-1,258,256.97-539,164.86

Finding the Fourth Proportional to 838,493.34, 1,258,256.97 and 539,164.86

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Solution

The fourth proportional to 838,493.34, 1,258,256.97 and 539,164.86 is: 809,079.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,493.34 : 1,258,256.97 = 539,164.86 : x
  2. Step 2: Convert to fraction form
    838,493.34/1,258,256.97 = 539,164.86/x
  3. Step 3: Cross multiply
    838,493.34x = 1,258,256.97 × 539,164.86
  4. Step 4: Simplify right side
    838,493.34x = 678,407,943,074.07
  5. Step 5: Solve for x
    x = 678,407,943,074.07/838,493.34
  6. Step 6: Final answer
    x = 809,079.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.