Home / 891,040.88-1,336,623.76-358,564.40

Finding the Fourth Proportional to 891,040.88, 1,336,623.76 and 358,564.40

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Solution

The fourth proportional to 891,040.88, 1,336,623.76 and 358,564.40 is: 537,871.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,040.88 : 1,336,623.76 = 358,564.40 : x
  2. Step 2: Convert to fraction form
    891,040.88/1,336,623.76 = 358,564.40/x
  3. Step 3: Cross multiply
    891,040.88x = 1,336,623.76 × 358,564.40
  4. Step 4: Simplify right side
    891,040.88x = 479,265,696,530.14
  5. Step 5: Solve for x
    x = 479,265,696,530.14/891,040.88
  6. Step 6: Final answer
    x = 537,871.73

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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.