Home / 891,121.32-1,229,746.27-483,222.48

Finding the Fourth Proportional to 891,121.32, 1,229,746.27 and 483,222.48

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Solution

The fourth proportional to 891,121.32, 1,229,746.27 and 483,222.48 is: 666,846.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,121.32 : 1,229,746.27 = 483,222.48 : x
  2. Step 2: Convert to fraction form
    891,121.32/1,229,746.27 = 483,222.48/x
  3. Step 3: Cross multiply
    891,121.32x = 1,229,746.27 × 483,222.48
  4. Step 4: Simplify right side
    891,121.32x = 594,241,042,360.15
  5. Step 5: Solve for x
    x = 594,241,042,360.15/891,121.32
  6. Step 6: Final answer
    x = 666,846.40

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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.