Home / 781,569.85-1,171,742.32-308,609.23

Finding the Fourth Proportional to 781,569.85, 1,171,742.32 and 308,609.23

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Solution

The fourth proportional to 781,569.85, 1,171,742.32 and 308,609.23 is: 462,672.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,569.85 : 1,171,742.32 = 308,609.23 : x
  2. Step 2: Convert to fraction form
    781,569.85/1,171,742.32 = 308,609.23/x
  3. Step 3: Cross multiply
    781,569.85x = 1,171,742.32 × 308,609.23
  4. Step 4: Simplify right side
    781,569.85x = 361,610,495,133.61
  5. Step 5: Solve for x
    x = 361,610,495,133.61/781,569.85
  6. Step 6: Final answer
    x = 462,672.01

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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.