Home / 903,902.60-1,247,382.12-496,011.26

Finding the Fourth Proportional to 903,902.60, 1,247,382.12 and 496,011.26

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Solution

The fourth proportional to 903,902.60, 1,247,382.12 and 496,011.26 is: 684,493.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,902.60 : 1,247,382.12 = 496,011.26 : x
  2. Step 2: Convert to fraction form
    903,902.60/1,247,382.12 = 496,011.26/x
  3. Step 3: Cross multiply
    903,902.60x = 1,247,382.12 × 496,011.26
  4. Step 4: Simplify right side
    903,902.60x = 618,715,570,805.76
  5. Step 5: Solve for x
    x = 618,715,570,805.76/903,902.60
  6. Step 6: Final answer
    x = 684,493.63

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Double scale
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Similar ratio
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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.