Home / 750,814.83-1,036,141.20-428,518.46

Finding the Fourth Proportional to 750,814.83, 1,036,141.20 and 428,518.46

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Solution

The fourth proportional to 750,814.83, 1,036,141.20 and 428,518.46 is: 591,365.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,814.83 : 1,036,141.20 = 428,518.46 : x
  2. Step 2: Convert to fraction form
    750,814.83/1,036,141.20 = 428,518.46/x
  3. Step 3: Cross multiply
    750,814.83x = 1,036,141.20 × 428,518.46
  4. Step 4: Simplify right side
    750,814.83x = 444,005,631,366.55
  5. Step 5: Solve for x
    x = 444,005,631,366.55/750,814.83
  6. Step 6: Final answer
    x = 591,365.03

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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.