Home / 750,311.88-1,125,135.27-539,064.12

Finding the Fourth Proportional to 750,311.88, 1,125,135.27 and 539,064.12

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Solution

The fourth proportional to 750,311.88, 1,125,135.27 and 539,064.12 is: 808,357.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,311.88 : 1,125,135.27 = 539,064.12 : x
  2. Step 2: Convert to fraction form
    750,311.88/1,125,135.27 = 539,064.12/x
  3. Step 3: Cross multiply
    750,311.88x = 1,125,135.27 × 539,064.12
  4. Step 4: Simplify right side
    750,311.88x = 606,520,054,203.51
  5. Step 5: Solve for x
    x = 606,520,054,203.51/750,311.88
  6. Step 6: Final answer
    x = 808,357.26

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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.