Home / 612,017.38-844,567.08-340,078.24

Finding the Fourth Proportional to 612,017.38, 844,567.08 and 340,078.24

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Solution

The fourth proportional to 612,017.38, 844,567.08 and 340,078.24 is: 469,298.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,017.38 : 844,567.08 = 340,078.24 : x
  2. Step 2: Convert to fraction form
    612,017.38/844,567.08 = 340,078.24/x
  3. Step 3: Cross multiply
    612,017.38x = 844,567.08 × 340,078.24
  4. Step 4: Simplify right side
    612,017.38x = 287,218,886,128.34
  5. Step 5: Solve for x
    x = 287,218,886,128.34/612,017.38
  6. Step 6: Final answer
    x = 469,298.58

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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.