Home / 757,155.56-1,134,611.28-307,329.08

Finding the Fourth Proportional to 757,155.56, 1,134,611.28 and 307,329.08

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Solution

The fourth proportional to 757,155.56, 1,134,611.28 and 307,329.08 is: 460,538.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,155.56 : 1,134,611.28 = 307,329.08 : x
  2. Step 2: Convert to fraction form
    757,155.56/1,134,611.28 = 307,329.08/x
  3. Step 3: Cross multiply
    757,155.56x = 1,134,611.28 × 307,329.08
  4. Step 4: Simplify right side
    757,155.56x = 348,699,040,840.02
  5. Step 5: Solve for x
    x = 348,699,040,840.02/757,155.56
  6. Step 6: Final answer
    x = 460,538.18

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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.