Home / 842,301.12-1,261,621.26-522,531.36

Finding the Fourth Proportional to 842,301.12, 1,261,621.26 and 522,531.36

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Solution

The fourth proportional to 842,301.12, 1,261,621.26 and 522,531.36 is: 782,661.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,301.12 : 1,261,621.26 = 522,531.36 : x
  2. Step 2: Convert to fraction form
    842,301.12/1,261,621.26 = 522,531.36/x
  3. Step 3: Cross multiply
    842,301.12x = 1,261,621.26 × 522,531.36
  4. Step 4: Simplify right side
    842,301.12x = 659,236,672,792.71
  5. Step 5: Solve for x
    x = 659,236,672,792.71/842,301.12
  6. Step 6: Final answer
    x = 782,661.52

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1.5x scale

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.