Home / 780,444.91-1,077,187.58-474,456.41

Finding the Fourth Proportional to 780,444.91, 1,077,187.58 and 474,456.41

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Solution

The fourth proportional to 780,444.91, 1,077,187.58 and 474,456.41 is: 654,855.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,444.91 : 1,077,187.58 = 474,456.41 : x
  2. Step 2: Convert to fraction form
    780,444.91/1,077,187.58 = 474,456.41/x
  3. Step 3: Cross multiply
    780,444.91x = 1,077,187.58 × 474,456.41
  4. Step 4: Simplify right side
    780,444.91x = 511,078,552,103.39
  5. Step 5: Solve for x
    x = 511,078,552,103.39/780,444.91
  6. Step 6: Final answer
    x = 654,855.39

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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.