Home / 903,405.72-1,246,691.40-495,499.26

Finding the Fourth Proportional to 903,405.72, 1,246,691.40 and 495,499.26

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Solution

The fourth proportional to 903,405.72, 1,246,691.40 and 495,499.26 is: 683,784.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,405.72 : 1,246,691.40 = 495,499.26 : x
  2. Step 2: Convert to fraction form
    903,405.72/1,246,691.40 = 495,499.26/x
  3. Step 3: Cross multiply
    903,405.72x = 1,246,691.40 × 495,499.26
  4. Step 4: Simplify right side
    903,405.72x = 617,734,666,148.36
  5. Step 5: Solve for x
    x = 617,734,666,148.36/903,405.72
  6. Step 6: Final answer
    x = 683,784.32

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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.