Home / 807,343.41-1,210,594.63-380,764.70

Finding the Fourth Proportional to 807,343.41, 1,210,594.63 and 380,764.70

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Solution

The fourth proportional to 807,343.41, 1,210,594.63 and 380,764.70 is: 570,948.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,343.41 : 1,210,594.63 = 380,764.70 : x
  2. Step 2: Convert to fraction form
    807,343.41/1,210,594.63 = 380,764.70/x
  3. Step 3: Cross multiply
    807,343.41x = 1,210,594.63 × 380,764.70
  4. Step 4: Simplify right side
    807,343.41x = 460,951,701,113.56
  5. Step 5: Solve for x
    x = 460,951,701,113.56/807,343.41
  6. Step 6: Final answer
    x = 570,948.74

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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.