Home / 903,279.35-1,246,463.44-495,372.26

Finding the Fourth Proportional to 903,279.35, 1,246,463.44 and 495,372.26

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Solution

The fourth proportional to 903,279.35, 1,246,463.44 and 495,372.26 is: 683,579.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,279.35 : 1,246,463.44 = 495,372.26 : x
  2. Step 2: Convert to fraction form
    903,279.35/1,246,463.44 = 495,372.26/x
  3. Step 3: Cross multiply
    903,279.35x = 1,246,463.44 × 495,372.26
  4. Step 4: Simplify right side
    903,279.35x = 617,463,406,146.55
  5. Step 5: Solve for x
    x = 617,463,406,146.55/903,279.35
  6. Step 6: Final answer
    x = 683,579.68

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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.