Home / 811,534.19-1,119,819.83-467,482.64

Finding the Fourth Proportional to 811,534.19, 1,119,819.83 and 467,482.64

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Solution

The fourth proportional to 811,534.19, 1,119,819.83 and 467,482.64 is: 645,069.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,534.19 : 1,119,819.83 = 467,482.64 : x
  2. Step 2: Convert to fraction form
    811,534.19/1,119,819.83 = 467,482.64/x
  3. Step 3: Cross multiply
    811,534.19x = 1,119,819.83 × 467,482.64
  4. Step 4: Simplify right side
    811,534.19x = 523,496,330,914.89
  5. Step 5: Solve for x
    x = 523,496,330,914.89/811,534.19
  6. Step 6: Final answer
    x = 645,069.96

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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.