Home / 756,947.16-1,134,135.45-456,797.03

Finding the Fourth Proportional to 756,947.16, 1,134,135.45 and 456,797.03

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Solution

The fourth proportional to 756,947.16, 1,134,135.45 and 456,797.03 is: 684,419.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,947.16 : 1,134,135.45 = 456,797.03 : x
  2. Step 2: Convert to fraction form
    756,947.16/1,134,135.45 = 456,797.03/x
  3. Step 3: Cross multiply
    756,947.16x = 1,134,135.45 × 456,797.03
  4. Step 4: Simplify right side
    756,947.16x = 518,069,699,507.04
  5. Step 5: Solve for x
    x = 518,069,699,507.04/756,947.16
  6. Step 6: Final answer
    x = 684,419.90

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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.