Home / 740,481.14-1,111,123.58-314,256.71

Finding the Fourth Proportional to 740,481.14, 1,111,123.58 and 314,256.71

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Solution

The fourth proportional to 740,481.14, 1,111,123.58 and 314,256.71 is: 471,555.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,481.14 : 1,111,123.58 = 314,256.71 : x
  2. Step 2: Convert to fraction form
    740,481.14/1,111,123.58 = 314,256.71/x
  3. Step 3: Cross multiply
    740,481.14x = 1,111,123.58 × 314,256.71
  4. Step 4: Simplify right side
    740,481.14x = 349,178,041,860.75
  5. Step 5: Solve for x
    x = 349,178,041,860.75/740,481.14
  6. Step 6: Final answer
    x = 471,555.62

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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.