Home / 903,289.12-1,246,554.97-495,387.39

Finding the Fourth Proportional to 903,289.12, 1,246,554.97 and 495,387.39

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Solution

The fourth proportional to 903,289.12, 1,246,554.97 and 495,387.39 is: 683,643.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,289.12 : 1,246,554.97 = 495,387.39 : x
  2. Step 2: Convert to fraction form
    903,289.12/1,246,554.97 = 495,387.39/x
  3. Step 3: Cross multiply
    903,289.12x = 1,246,554.97 × 495,387.39
  4. Step 4: Simplify right side
    903,289.12x = 617,527,616,515.94
  5. Step 5: Solve for x
    x = 617,527,616,515.94/903,289.12
  6. Step 6: Final answer
    x = 683,643.37

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Double scale
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Similar ratio
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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.