Home / 847,023.04-1,168,739.31-479,497.69

Finding the Fourth Proportional to 847,023.04, 1,168,739.31 and 479,497.69

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Solution

The fourth proportional to 847,023.04, 1,168,739.31 and 479,497.69 is: 661,620.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,023.04 : 1,168,739.31 = 479,497.69 : x
  2. Step 2: Convert to fraction form
    847,023.04/1,168,739.31 = 479,497.69/x
  3. Step 3: Cross multiply
    847,023.04x = 1,168,739.31 × 479,497.69
  4. Step 4: Simplify right side
    847,023.04x = 560,407,799,357.19
  5. Step 5: Solve for x
    x = 560,407,799,357.19/847,023.04
  6. Step 6: Final answer
    x = 661,620.49

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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.