Home / 750,801.84-1,036,123.26-428,505.46

Finding the Fourth Proportional to 750,801.84, 1,036,123.26 and 428,505.46

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Solution

The fourth proportional to 750,801.84, 1,036,123.26 and 428,505.46 is: 591,347.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,801.84 : 1,036,123.26 = 428,505.46 : x
  2. Step 2: Convert to fraction form
    750,801.84/1,036,123.26 = 428,505.46/x
  3. Step 3: Cross multiply
    750,801.84x = 1,036,123.26 × 428,505.46
  4. Step 4: Simplify right side
    750,801.84x = 443,984,474,143.00
  5. Step 5: Solve for x
    x = 443,984,474,143.00/750,801.84
  6. Step 6: Final answer
    x = 591,347.08

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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.