Home / 874,443.67-1,312,046.68-306,232.36

Finding the Fourth Proportional to 874,443.67, 1,312,046.68 and 306,232.36

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Solution

The fourth proportional to 874,443.67, 1,312,046.68 and 306,232.36 is: 459,482.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,443.67 : 1,312,046.68 = 306,232.36 : x
  2. Step 2: Convert to fraction form
    874,443.67/1,312,046.68 = 306,232.36/x
  3. Step 3: Cross multiply
    874,443.67x = 1,312,046.68 × 306,232.36
  4. Step 4: Simplify right side
    874,443.67x = 401,791,151,246.57
  5. Step 5: Solve for x
    x = 401,791,151,246.57/874,443.67
  6. Step 6: Final answer
    x = 459,482.03

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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.