Home / 741,102.16-1,022,343.76-468,712.12

Finding the Fourth Proportional to 741,102.16, 1,022,343.76 and 468,712.12

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Solution

The fourth proportional to 741,102.16, 1,022,343.76 and 468,712.12 is: 646,584.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,102.16 : 1,022,343.76 = 468,712.12 : x
  2. Step 2: Convert to fraction form
    741,102.16/1,022,343.76 = 468,712.12/x
  3. Step 3: Cross multiply
    741,102.16x = 1,022,343.76 × 468,712.12
  4. Step 4: Simplify right side
    741,102.16x = 479,184,911,118.37
  5. Step 5: Solve for x
    x = 479,184,911,118.37/741,102.16
  6. Step 6: Final answer
    x = 646,584.15

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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.