Home / 908,747.76-1,254,055.64-495,288.27

Finding the Fourth Proportional to 908,747.76, 1,254,055.64 and 495,288.27

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Solution

The fourth proportional to 908,747.76, 1,254,055.64 and 495,288.27 is: 683,488.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,747.76 : 1,254,055.64 = 495,288.27 : x
  2. Step 2: Convert to fraction form
    908,747.76/1,254,055.64 = 495,288.27/x
  3. Step 3: Cross multiply
    908,747.76x = 1,254,055.64 × 495,288.27
  4. Step 4: Simplify right side
    908,747.76x = 621,119,048,419.34
  5. Step 5: Solve for x
    x = 621,119,048,419.34/908,747.76
  6. Step 6: Final answer
    x = 683,488.95

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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.