Home / 837,689.88-1,256,327.21-238,656.22

Finding the Fourth Proportional to 837,689.88, 1,256,327.21 and 238,656.22

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Solution

The fourth proportional to 837,689.88, 1,256,327.21 and 238,656.22 is: 357,925.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,689.88 : 1,256,327.21 = 238,656.22 : x
  2. Step 2: Convert to fraction form
    837,689.88/1,256,327.21 = 238,656.22/x
  3. Step 3: Cross multiply
    837,689.88x = 1,256,327.21 × 238,656.22
  4. Step 4: Simplify right side
    837,689.88x = 299,830,303,021.75
  5. Step 5: Solve for x
    x = 299,830,303,021.75/837,689.88
  6. Step 6: Final answer
    x = 357,925.18

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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.