Home / 855,024.60-1,179,830.22-492,565.80

Finding the Fourth Proportional to 855,024.60, 1,179,830.22 and 492,565.80

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Solution

The fourth proportional to 855,024.60, 1,179,830.22 and 492,565.80 is: 679,681.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,024.60 : 1,179,830.22 = 492,565.80 : x
  2. Step 2: Convert to fraction form
    855,024.60/1,179,830.22 = 492,565.80/x
  3. Step 3: Cross multiply
    855,024.60x = 1,179,830.22 × 492,565.80
  4. Step 4: Simplify right side
    855,024.60x = 581,144,016,178.48
  5. Step 5: Solve for x
    x = 581,144,016,178.48/855,024.60
  6. Step 6: Final answer
    x = 679,681.05

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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.