Home / 837,690.12-1,256,327.59-238,656.47

Finding the Fourth Proportional to 837,690.12, 1,256,327.59 and 238,656.47

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Solution

The fourth proportional to 837,690.12, 1,256,327.59 and 238,656.47 is: 357,925.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,690.12 : 1,256,327.59 = 238,656.47 : x
  2. Step 2: Convert to fraction form
    837,690.12/1,256,327.59 = 238,656.47/x
  3. Step 3: Cross multiply
    837,690.12x = 1,256,327.59 × 238,656.47
  4. Step 4: Simplify right side
    837,690.12x = 299,830,707,793.01
  5. Step 5: Solve for x
    x = 299,830,707,793.01/837,690.12
  6. Step 6: Final answer
    x = 357,925.56

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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.