Home / 485,433.69-669,921.48-270,575.52

Finding the Fourth Proportional to 485,433.69, 669,921.48 and 270,575.52

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Solution

The fourth proportional to 485,433.69, 669,921.48 and 270,575.52 is: 373,407.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,433.69 : 669,921.48 = 270,575.52 : x
  2. Step 2: Convert to fraction form
    485,433.69/669,921.48 = 270,575.52/x
  3. Step 3: Cross multiply
    485,433.69x = 669,921.48 × 270,575.52
  4. Step 4: Simplify right side
    485,433.69x = 181,264,352,810.17
  5. Step 5: Solve for x
    x = 181,264,352,810.17/485,433.69
  6. Step 6: Final answer
    x = 373,407.03

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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.