Home / 964,941.15-1,447,422.09-291,028.29

Finding the Fourth Proportional to 964,941.15, 1,447,422.09 and 291,028.29

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Solution

The fourth proportional to 964,941.15, 1,447,422.09 and 291,028.29 is: 436,545.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,941.15 : 1,447,422.09 = 291,028.29 : x
  2. Step 2: Convert to fraction form
    964,941.15/1,447,422.09 = 291,028.29/x
  3. Step 3: Cross multiply
    964,941.15x = 1,447,422.09 × 291,028.29
  4. Step 4: Simplify right side
    964,941.15x = 421,240,775,358.89
  5. Step 5: Solve for x
    x = 421,240,775,358.89/964,941.15
  6. Step 6: Final answer
    x = 436,545.56

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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.