Home / 937,402.12-1,406,176.05-306,379.72

Finding the Fourth Proportional to 937,402.12, 1,406,176.05 and 306,379.72

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Solution

The fourth proportional to 937,402.12, 1,406,176.05 and 306,379.72 is: 459,593.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,402.12 : 1,406,176.05 = 306,379.72 : x
  2. Step 2: Convert to fraction form
    937,402.12/1,406,176.05 = 306,379.72/x
  3. Step 3: Cross multiply
    937,402.12x = 1,406,176.05 × 306,379.72
  4. Step 4: Simplify right side
    937,402.12x = 430,823,817,438.83
  5. Step 5: Solve for x
    x = 430,823,817,438.83/937,402.12
  6. Step 6: Final answer
    x = 459,593.39

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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.