Home / 677,918.60-1,016,836-278,549.12

Finding the Fourth Proportional to 677,918.60, 1,016,836 and 278,549.12

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Solution

The fourth proportional to 677,918.60, 1,016,836 and 278,549.12 is: 417,806.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,918.60 : 1,016,836 = 278,549.12 : x
  2. Step 2: Convert to fraction form
    677,918.60/1,016,836 = 278,549.12/x
  3. Step 3: Cross multiply
    677,918.60x = 1,016,836 × 278,549.12
  4. Step 4: Simplify right side
    677,918.60x = 283,238,772,984.32
  5. Step 5: Solve for x
    x = 283,238,772,984.32/677,918.60
  6. Step 6: Final answer
    x = 417,806.46

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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.