Home / 891,228.36-1,336,509.90-358,569.48

Finding the Fourth Proportional to 891,228.36, 1,336,509.90 and 358,569.48

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Solution

The fourth proportional to 891,228.36, 1,336,509.90 and 358,569.48 is: 537,720.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,228.36 : 1,336,509.90 = 358,569.48 : x
  2. Step 2: Convert to fraction form
    891,228.36/1,336,509.90 = 358,569.48/x
  3. Step 3: Cross multiply
    891,228.36x = 1,336,509.90 × 358,569.48
  4. Step 4: Simplify right side
    891,228.36x = 479,231,659,857.85
  5. Step 5: Solve for x
    x = 479,231,659,857.85/891,228.36
  6. Step 6: Final answer
    x = 537,720.39

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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.