Home / 853,116.90-1,280,116.95-348,048.10

Finding the Fourth Proportional to 853,116.90, 1,280,116.95 and 348,048.10

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Solution

The fourth proportional to 853,116.90, 1,280,116.95 and 348,048.10 is: 522,252.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,116.90 : 1,280,116.95 = 348,048.10 : x
  2. Step 2: Convert to fraction form
    853,116.90/1,280,116.95 = 348,048.10/x
  3. Step 3: Cross multiply
    853,116.90x = 1,280,116.95 × 348,048.10
  4. Step 4: Simplify right side
    853,116.90x = 445,542,272,225.30
  5. Step 5: Solve for x
    x = 445,542,272,225.30/853,116.90
  6. Step 6: Final answer
    x = 522,252.31

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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.