Home / 908,936.28-1,363,256.75-429,163.15

Finding the Fourth Proportional to 908,936.28, 1,363,256.75 and 429,163.15

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Solution

The fourth proportional to 908,936.28, 1,363,256.75 and 429,163.15 is: 643,675.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,936.28 : 1,363,256.75 = 429,163.15 : x
  2. Step 2: Convert to fraction form
    908,936.28/1,363,256.75 = 429,163.15/x
  3. Step 3: Cross multiply
    908,936.28x = 1,363,256.75 × 429,163.15
  4. Step 4: Simplify right side
    908,936.28x = 585,059,561,088.76
  5. Step 5: Solve for x
    x = 585,059,561,088.76/908,936.28
  6. Step 6: Final answer
    x = 643,675.00

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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.