Home / 545,559.10-752,610.79-423,867.63

Finding the Fourth Proportional to 545,559.10, 752,610.79 and 423,867.63

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Solution

The fourth proportional to 545,559.10, 752,610.79 and 423,867.63 is: 584,734.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,559.10 : 752,610.79 = 423,867.63 : x
  2. Step 2: Convert to fraction form
    545,559.10/752,610.79 = 423,867.63/x
  3. Step 3: Cross multiply
    545,559.10x = 752,610.79 × 423,867.63
  4. Step 4: Simplify right side
    545,559.10x = 319,007,355,221.85
  5. Step 5: Solve for x
    x = 319,007,355,221.85/545,559.10
  6. Step 6: Final answer
    x = 584,734.74

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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.