Home / 699,513.34-1,049,269.08-279,084.46

Finding the Fourth Proportional to 699,513.34, 1,049,269.08 and 279,084.46

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Solution

The fourth proportional to 699,513.34, 1,049,269.08 and 279,084.46 is: 418,626.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,513.34 : 1,049,269.08 = 279,084.46 : x
  2. Step 2: Convert to fraction form
    699,513.34/1,049,269.08 = 279,084.46/x
  3. Step 3: Cross multiply
    699,513.34x = 1,049,269.08 × 279,084.46
  4. Step 4: Simplify right side
    699,513.34x = 292,834,694,586.50
  5. Step 5: Solve for x
    x = 292,834,694,586.50/699,513.34
  6. Step 6: Final answer
    x = 418,626.32

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Double scale
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1.5x scale

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.