Home / 850,017.18-1,275,119.18-423,660.34

Finding the Fourth Proportional to 850,017.18, 1,275,119.18 and 423,660.34

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Solution

The fourth proportional to 850,017.18, 1,275,119.18 and 423,660.34 is: 635,537.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,017.18 : 1,275,119.18 = 423,660.34 : x
  2. Step 2: Convert to fraction form
    850,017.18/1,275,119.18 = 423,660.34/x
  3. Step 3: Cross multiply
    850,017.18x = 1,275,119.18 × 423,660.34
  4. Step 4: Simplify right side
    850,017.18x = 540,217,425,339.32
  5. Step 5: Solve for x
    x = 540,217,425,339.32/850,017.18
  6. Step 6: Final answer
    x = 635,537.07

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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.