Home / 847,884.28-1,170,066.80-465,902.86

Finding the Fourth Proportional to 847,884.28, 1,170,066.80 and 465,902.86

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Solution

The fourth proportional to 847,884.28, 1,170,066.80 and 465,902.86 is: 642,938.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,884.28 : 1,170,066.80 = 465,902.86 : x
  2. Step 2: Convert to fraction form
    847,884.28/1,170,066.80 = 465,902.86/x
  3. Step 3: Cross multiply
    847,884.28x = 1,170,066.80 × 465,902.86
  4. Step 4: Simplify right side
    847,884.28x = 545,137,468,511.05
  5. Step 5: Solve for x
    x = 545,137,468,511.05/847,884.28
  6. Step 6: Final answer
    x = 642,938.53

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1.5x scale

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.