Home / 861,435.36-1,292,337.62-262,444.72

Finding the Fourth Proportional to 861,435.36, 1,292,337.62 and 262,444.72

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Solution

The fourth proportional to 861,435.36, 1,292,337.62 and 262,444.72 is: 393,723.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,435.36 : 1,292,337.62 = 262,444.72 : x
  2. Step 2: Convert to fraction form
    861,435.36/1,292,337.62 = 262,444.72/x
  3. Step 3: Cross multiply
    861,435.36x = 1,292,337.62 × 262,444.72
  4. Step 4: Simplify right side
    861,435.36x = 339,167,184,826.37
  5. Step 5: Solve for x
    x = 339,167,184,826.37/861,435.36
  6. Step 6: Final answer
    x = 393,723.31

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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.