Home / 743,015.66-1,114,511.47-293,740.70

Finding the Fourth Proportional to 743,015.66, 1,114,511.47 and 293,740.70

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Solution

The fourth proportional to 743,015.66, 1,114,511.47 and 293,740.70 is: 440,606.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,015.66 : 1,114,511.47 = 293,740.70 : x
  2. Step 2: Convert to fraction form
    743,015.66/1,114,511.47 = 293,740.70/x
  3. Step 3: Cross multiply
    743,015.66x = 1,114,511.47 × 293,740.70
  4. Step 4: Simplify right side
    743,015.66x = 327,377,379,355.83
  5. Step 5: Solve for x
    x = 327,377,379,355.83/743,015.66
  6. Step 6: Final answer
    x = 440,606.30

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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.