Home / 954,540.95-1,317,291.45-518,987.60

Finding the Fourth Proportional to 954,540.95, 1,317,291.45 and 518,987.60

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Solution

The fourth proportional to 954,540.95, 1,317,291.45 and 518,987.60 is: 716,216.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,540.95 : 1,317,291.45 = 518,987.60 : x
  2. Step 2: Convert to fraction form
    954,540.95/1,317,291.45 = 518,987.60/x
  3. Step 3: Cross multiply
    954,540.95x = 1,317,291.45 × 518,987.60
  4. Step 4: Simplify right side
    954,540.95x = 683,657,921,549.56
  5. Step 5: Solve for x
    x = 683,657,921,549.56/954,540.95
  6. Step 6: Final answer
    x = 716,216.44

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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.