Home / 540,155.03-745,443.84-298,432.42

Finding the Fourth Proportional to 540,155.03, 745,443.84 and 298,432.42

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Solution

The fourth proportional to 540,155.03, 745,443.84 and 298,432.42 is: 411,853.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,155.03 : 745,443.84 = 298,432.42 : x
  2. Step 2: Convert to fraction form
    540,155.03/745,443.84 = 298,432.42/x
  3. Step 3: Cross multiply
    540,155.03x = 745,443.84 × 298,432.42
  4. Step 4: Simplify right side
    540,155.03x = 222,464,608,400.81
  5. Step 5: Solve for x
    x = 222,464,608,400.81/540,155.03
  6. Step 6: Final answer
    x = 411,853.26

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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.