Home / 626,212.80-938,549.40-288,785.02

Finding the Fourth Proportional to 626,212.80, 938,549.40 and 288,785.02

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Solution

The fourth proportional to 626,212.80, 938,549.40 and 288,785.02 is: 432,822.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,212.80 : 938,549.40 = 288,785.02 : x
  2. Step 2: Convert to fraction form
    626,212.80/938,549.40 = 288,785.02/x
  3. Step 3: Cross multiply
    626,212.80x = 938,549.40 × 288,785.02
  4. Step 4: Simplify right side
    626,212.80x = 271,039,007,249.99
  5. Step 5: Solve for x
    x = 271,039,007,249.99/626,212.80
  6. Step 6: Final answer
    x = 432,822.53

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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.