Home / 753,045.76-1,129,790.09-303,535.25

Finding the Fourth Proportional to 753,045.76, 1,129,790.09 and 303,535.25

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Solution

The fourth proportional to 753,045.76, 1,129,790.09 and 303,535.25 is: 455,392.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,045.76 : 1,129,790.09 = 303,535.25 : x
  2. Step 2: Convert to fraction form
    753,045.76/1,129,790.09 = 303,535.25/x
  3. Step 3: Cross multiply
    753,045.76x = 1,129,790.09 × 303,535.25
  4. Step 4: Simplify right side
    753,045.76x = 342,931,117,415.67
  5. Step 5: Solve for x
    x = 342,931,117,415.67/753,045.76
  6. Step 6: Final answer
    x = 455,392.14

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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.