Home / 769,826.55-1,062,338.67-425,656.56

Finding the Fourth Proportional to 769,826.55, 1,062,338.67 and 425,656.56

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Solution

The fourth proportional to 769,826.55, 1,062,338.67 and 425,656.56 is: 587,393.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,826.55 : 1,062,338.67 = 425,656.56 : x
  2. Step 2: Convert to fraction form
    769,826.55/1,062,338.67 = 425,656.56/x
  3. Step 3: Cross multiply
    769,826.55x = 1,062,338.67 × 425,656.56
  4. Step 4: Simplify right side
    769,826.55x = 452,191,423,827.18
  5. Step 5: Solve for x
    x = 452,191,423,827.18/769,826.55
  6. Step 6: Final answer
    x = 587,393.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.