Home / 908,747.30-1,254,055.01-495,287.81

Finding the Fourth Proportional to 908,747.30, 1,254,055.01 and 495,287.81

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Solution

The fourth proportional to 908,747.30, 1,254,055.01 and 495,287.81 is: 683,488.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,747.30 : 1,254,055.01 = 495,287.81 : x
  2. Step 2: Convert to fraction form
    908,747.30/1,254,055.01 = 495,287.81/x
  3. Step 3: Cross multiply
    908,747.30x = 1,254,055.01 × 495,287.81
  4. Step 4: Simplify right side
    908,747.30x = 621,118,150,775.71
  5. Step 5: Solve for x
    x = 621,118,150,775.71/908,747.30
  6. Step 6: Final answer
    x = 683,488.30

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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.