Home / 903,860.34-1,247,319.09-495,954.42

Finding the Fourth Proportional to 903,860.34, 1,247,319.09 and 495,954.42

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Solution

The fourth proportional to 903,860.34, 1,247,319.09 and 495,954.42 is: 684,412.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,860.34 : 1,247,319.09 = 495,954.42 : x
  2. Step 2: Convert to fraction form
    903,860.34/1,247,319.09 = 495,954.42/x
  3. Step 3: Cross multiply
    903,860.34x = 1,247,319.09 × 495,954.42
  4. Step 4: Simplify right side
    903,860.34x = 618,613,415,835.88
  5. Step 5: Solve for x
    x = 618,613,415,835.88/903,860.34
  6. Step 6: Final answer
    x = 684,412.61

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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.