Home / 903,911.48-1,247,394.40-496,020.12

Finding the Fourth Proportional to 903,911.48, 1,247,394.40 and 496,020.12

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Solution

The fourth proportional to 903,911.48, 1,247,394.40 and 496,020.12 is: 684,505.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,911.48 : 1,247,394.40 = 496,020.12 : x
  2. Step 2: Convert to fraction form
    903,911.48/1,247,394.40 = 496,020.12/x
  3. Step 3: Cross multiply
    903,911.48x = 1,247,394.40 × 496,020.12
  4. Step 4: Simplify right side
    903,911.48x = 618,732,719,975.33
  5. Step 5: Solve for x
    x = 618,732,719,975.33/903,911.48
  6. Step 6: Final answer
    x = 684,505.88

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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.