Home / 908,818.41-1,254,163.80-495,354.72

Finding the Fourth Proportional to 908,818.41, 1,254,163.80 and 495,354.72

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Solution

The fourth proportional to 908,818.41, 1,254,163.80 and 495,354.72 is: 683,586.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,818.41 : 1,254,163.80 = 495,354.72 : x
  2. Step 2: Convert to fraction form
    908,818.41/1,254,163.80 = 495,354.72/x
  3. Step 3: Cross multiply
    908,818.41x = 1,254,163.80 × 495,354.72
  4. Step 4: Simplify right side
    908,818.41x = 621,255,957,983.14
  5. Step 5: Solve for x
    x = 621,255,957,983.14/908,818.41
  6. Step 6: Final answer
    x = 683,586.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.