Home / 689,341.44-1,034,565.12-357,012.48

Finding the Fourth Proportional to 689,341.44, 1,034,565.12 and 357,012.48

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Solution

The fourth proportional to 689,341.44, 1,034,565.12 and 357,012.48 is: 535,805.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,341.44 : 1,034,565.12 = 357,012.48 : x
  2. Step 2: Convert to fraction form
    689,341.44/1,034,565.12 = 357,012.48/x
  3. Step 3: Cross multiply
    689,341.44x = 1,034,565.12 × 357,012.48
  4. Step 4: Simplify right side
    689,341.44x = 369,352,659,212.70
  5. Step 5: Solve for x
    x = 369,352,659,212.70/689,341.44
  6. Step 6: Final answer
    x = 535,805.10

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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.