Home / 740,740.18-1,111,199.28-260,868.82

Finding the Fourth Proportional to 740,740.18, 1,111,199.28 and 260,868.82

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Solution

The fourth proportional to 740,740.18, 1,111,199.28 and 260,868.82 is: 391,334.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,740.18 : 1,111,199.28 = 260,868.82 : x
  2. Step 2: Convert to fraction form
    740,740.18/1,111,199.28 = 260,868.82/x
  3. Step 3: Cross multiply
    740,740.18x = 1,111,199.28 × 260,868.82
  4. Step 4: Simplify right side
    740,740.18x = 289,877,244,958.45
  5. Step 5: Solve for x
    x = 289,877,244,958.45/740,740.18
  6. Step 6: Final answer
    x = 391,334.58

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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.