Home / 937,726.80-1,406,590.20-306,704.40

Finding the Fourth Proportional to 937,726.80, 1,406,590.20 and 306,704.40

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Solution

The fourth proportional to 937,726.80, 1,406,590.20 and 306,704.40 is: 460,056.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,726.80 : 1,406,590.20 = 306,704.40 : x
  2. Step 2: Convert to fraction form
    937,726.80/1,406,590.20 = 306,704.40/x
  3. Step 3: Cross multiply
    937,726.80x = 1,406,590.20 × 306,704.40
  4. Step 4: Simplify right side
    937,726.80x = 431,407,403,336.88
  5. Step 5: Solve for x
    x = 431,407,403,336.88/937,726.80
  6. Step 6: Final answer
    x = 460,056.60

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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.