Home / 765,323.94-1,148,244.26-338,800.93

Finding the Fourth Proportional to 765,323.94, 1,148,244.26 and 338,800.93

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Solution

The fourth proportional to 765,323.94, 1,148,244.26 and 338,800.93 is: 508,315.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,323.94 : 1,148,244.26 = 338,800.93 : x
  2. Step 2: Convert to fraction form
    765,323.94/1,148,244.26 = 338,800.93/x
  3. Step 3: Cross multiply
    765,323.94x = 1,148,244.26 × 338,800.93
  4. Step 4: Simplify right side
    765,323.94x = 389,026,218,590.55
  5. Step 5: Solve for x
    x = 389,026,218,590.55/765,323.94
  6. Step 6: Final answer
    x = 508,315.76

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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.