Home / 853,374.47-1,280,566.69-314,009.48

Finding the Fourth Proportional to 853,374.47, 1,280,566.69 and 314,009.48

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Solution

The fourth proportional to 853,374.47, 1,280,566.69 and 314,009.48 is: 471,200.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,374.47 : 1,280,566.69 = 314,009.48 : x
  2. Step 2: Convert to fraction form
    853,374.47/1,280,566.69 = 314,009.48/x
  3. Step 3: Cross multiply
    853,374.47x = 1,280,566.69 × 314,009.48
  4. Step 4: Simplify right side
    853,374.47x = 402,110,082,848.61
  5. Step 5: Solve for x
    x = 402,110,082,848.61/853,374.47
  6. Step 6: Final answer
    x = 471,200.04

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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.