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Finding the Fourth Proportional to 867,445, 1,197,199.82 and 499,850.62

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Solution

The fourth proportional to 867,445, 1,197,199.82 and 499,850.62 is: 689,866.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,445 : 1,197,199.82 = 499,850.62 : x
  2. Step 2: Convert to fraction form
    867,445/1,197,199.82 = 499,850.62/x
  3. Step 3: Cross multiply
    867,445x = 1,197,199.82 × 499,850.62
  4. Step 4: Simplify right side
    867,445x = 598,421,072,290.89
  5. Step 5: Solve for x
    x = 598,421,072,290.89/867,445
  6. Step 6: Final answer
    x = 689,866.30

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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.