Home / 903,417.72-1,246,707.96-495,511.20

Finding the Fourth Proportional to 903,417.72, 1,246,707.96 and 495,511.20

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Solution

The fourth proportional to 903,417.72, 1,246,707.96 and 495,511.20 is: 683,800.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,417.72 : 1,246,707.96 = 495,511.20 : x
  2. Step 2: Convert to fraction form
    903,417.72/1,246,707.96 = 495,511.20/x
  3. Step 3: Cross multiply
    903,417.72x = 1,246,707.96 × 495,511.20
  4. Step 4: Simplify right side
    903,417.72x = 617,757,757,309.15
  5. Step 5: Solve for x
    x = 617,757,757,309.15/903,417.72
  6. Step 6: Final answer
    x = 683,800.80

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Double scale
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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.