Home / 740,624.80-1,022,062.80-418,335.52

Finding the Fourth Proportional to 740,624.80, 1,022,062.80 and 418,335.52

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Solution

The fourth proportional to 740,624.80, 1,022,062.80 and 418,335.52 is: 577,303.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,624.80 : 1,022,062.80 = 418,335.52 : x
  2. Step 2: Convert to fraction form
    740,624.80/1,022,062.80 = 418,335.52/x
  3. Step 3: Cross multiply
    740,624.80x = 1,022,062.80 × 418,335.52
  4. Step 4: Simplify right side
    740,624.80x = 427,565,172,910.66
  5. Step 5: Solve for x
    x = 427,565,172,910.66/740,624.80
  6. Step 6: Final answer
    x = 577,303.34

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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.