Home / 891,250.96-1,336,920.24-291,969.28

Finding the Fourth Proportional to 891,250.96, 1,336,920.24 and 291,969.28

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Solution

The fourth proportional to 891,250.96, 1,336,920.24 and 291,969.28 is: 437,968.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,250.96 : 1,336,920.24 = 291,969.28 : x
  2. Step 2: Convert to fraction form
    891,250.96/1,336,920.24 = 291,969.28/x
  3. Step 3: Cross multiply
    891,250.96x = 1,336,920.24 × 291,969.28
  4. Step 4: Simplify right side
    891,250.96x = 390,339,639,890.23
  5. Step 5: Solve for x
    x = 390,339,639,890.23/891,250.96
  6. Step 6: Final answer
    x = 437,968.27

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1.5x scale

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.