Home / 800,521.74-1,199,594.34-445,046.76

Finding the Fourth Proportional to 800,521.74, 1,199,594.34 and 445,046.76

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Solution

The fourth proportional to 800,521.74, 1,199,594.34 and 445,046.76 is: 666,909.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,521.74 : 1,199,594.34 = 445,046.76 : x
  2. Step 2: Convert to fraction form
    800,521.74/1,199,594.34 = 445,046.76/x
  3. Step 3: Cross multiply
    800,521.74x = 1,199,594.34 × 445,046.76
  4. Step 4: Simplify right side
    800,521.74x = 533,875,574,331.34
  5. Step 5: Solve for x
    x = 533,875,574,331.34/800,521.74
  6. Step 6: Final answer
    x = 666,909.53

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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.