Home / 938,700.11-1,408,184.42-290,326.29

Finding the Fourth Proportional to 938,700.11, 1,408,184.42 and 290,326.29

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Solution

The fourth proportional to 938,700.11, 1,408,184.42 and 290,326.29 is: 435,530.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,700.11 : 1,408,184.42 = 290,326.29 : x
  2. Step 2: Convert to fraction form
    938,700.11/1,408,184.42 = 290,326.29/x
  3. Step 3: Cross multiply
    938,700.11x = 1,408,184.42 × 290,326.29
  4. Step 4: Simplify right side
    938,700.11x = 408,832,956,842.77
  5. Step 5: Solve for x
    x = 408,832,956,842.77/938,700.11
  6. Step 6: Final answer
    x = 435,530.96

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1.5x scale

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.