Home / 899,072.49-1,240,744.38-536,706.66

Finding the Fourth Proportional to 899,072.49, 1,240,744.38 and 536,706.66

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Solution

The fourth proportional to 899,072.49, 1,240,744.38 and 536,706.66 is: 740,669.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,072.49 : 1,240,744.38 = 536,706.66 : x
  2. Step 2: Convert to fraction form
    899,072.49/1,240,744.38 = 536,706.66/x
  3. Step 3: Cross multiply
    899,072.49x = 1,240,744.38 × 536,706.66
  4. Step 4: Simplify right side
    899,072.49x = 665,915,770,783.50
  5. Step 5: Solve for x
    x = 665,915,770,783.50/899,072.49
  6. Step 6: Final answer
    x = 740,669.73

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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.