Home / 765,860.01-1,148,789.47-344,643.81

Finding the Fourth Proportional to 765,860.01, 1,148,789.47 and 344,643.81

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Solution

The fourth proportional to 765,860.01, 1,148,789.47 and 344,643.81 is: 516,965.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,860.01 : 1,148,789.47 = 344,643.81 : x
  2. Step 2: Convert to fraction form
    765,860.01/1,148,789.47 = 344,643.81/x
  3. Step 3: Cross multiply
    765,860.01x = 1,148,789.47 × 344,643.81
  4. Step 4: Simplify right side
    765,860.01x = 395,923,172,361.51
  5. Step 5: Solve for x
    x = 395,923,172,361.51/765,860.01
  6. Step 6: Final answer
    x = 516,965.46

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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.