Home / 851,263.46-1,174,078.89-545,368.07

Finding the Fourth Proportional to 851,263.46, 1,174,078.89 and 545,368.07

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Solution

The fourth proportional to 851,263.46, 1,174,078.89 and 545,368.07 is: 752,182.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,263.46 : 1,174,078.89 = 545,368.07 : x
  2. Step 2: Convert to fraction form
    851,263.46/1,174,078.89 = 545,368.07/x
  3. Step 3: Cross multiply
    851,263.46x = 1,174,078.89 × 545,368.07
  4. Step 4: Simplify right side
    851,263.46x = 640,305,132,396.65
  5. Step 5: Solve for x
    x = 640,305,132,396.65/851,263.46
  6. Step 6: Final answer
    x = 752,182.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.