Home / 765,357.06-1,148,293.74-338,833.98

Finding the Fourth Proportional to 765,357.06, 1,148,293.74 and 338,833.98

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Solution

The fourth proportional to 765,357.06, 1,148,293.74 and 338,833.98 is: 508,365.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,357.06 : 1,148,293.74 = 338,833.98 : x
  2. Step 2: Convert to fraction form
    765,357.06/1,148,293.74 = 338,833.98/x
  3. Step 3: Cross multiply
    765,357.06x = 1,148,293.74 × 338,833.98
  4. Step 4: Simplify right side
    765,357.06x = 389,080,938,133.29
  5. Step 5: Solve for x
    x = 389,080,938,133.29/765,357.06
  6. Step 6: Final answer
    x = 508,365.26

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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.