Home / 811,524.54-1,217,622.15-355,880.01

Finding the Fourth Proportional to 811,524.54, 1,217,622.15 and 355,880.01

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Solution

The fourth proportional to 811,524.54, 1,217,622.15 and 355,880.01 is: 533,967.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,524.54 : 1,217,622.15 = 355,880.01 : x
  2. Step 2: Convert to fraction form
    811,524.54/1,217,622.15 = 355,880.01/x
  3. Step 3: Cross multiply
    811,524.54x = 1,217,622.15 × 355,880.01
  4. Step 4: Simplify right side
    811,524.54x = 433,327,382,918.22
  5. Step 5: Solve for x
    x = 433,327,382,918.22/811,524.54
  6. Step 6: Final answer
    x = 533,967.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.