Home / 743,350.32-1,114,980.18-263,601.76

Finding the Fourth Proportional to 743,350.32, 1,114,980.18 and 263,601.76

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Solution

The fourth proportional to 743,350.32, 1,114,980.18 and 263,601.76 is: 395,386.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,350.32 : 1,114,980.18 = 263,601.76 : x
  2. Step 2: Convert to fraction form
    743,350.32/1,114,980.18 = 263,601.76/x
  3. Step 3: Cross multiply
    743,350.32x = 1,114,980.18 × 263,601.76
  4. Step 4: Simplify right side
    743,350.32x = 293,910,737,813.12
  5. Step 5: Solve for x
    x = 293,910,737,813.12/743,350.32
  6. Step 6: Final answer
    x = 395,386.58

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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.