Home / 853,724.40-1,280,808.02-454,036.52

Finding the Fourth Proportional to 853,724.40, 1,280,808.02 and 454,036.52

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Solution

The fourth proportional to 853,724.40, 1,280,808.02 and 454,036.52 is: 681,172.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,724.40 : 1,280,808.02 = 454,036.52 : x
  2. Step 2: Convert to fraction form
    853,724.40/1,280,808.02 = 454,036.52/x
  3. Step 3: Cross multiply
    853,724.40x = 1,280,808.02 × 454,036.52
  4. Step 4: Simplify right side
    853,724.40x = 581,533,616,188.89
  5. Step 5: Solve for x
    x = 581,533,616,188.89/853,724.40
  6. Step 6: Final answer
    x = 681,172.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.