Home / 626,567.45-938,587.10-289,139.36

Finding the Fourth Proportional to 626,567.45, 938,587.10 and 289,139.36

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Solution

The fourth proportional to 626,567.45, 938,587.10 and 289,139.36 is: 433,125.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,567.45 : 938,587.10 = 289,139.36 : x
  2. Step 2: Convert to fraction form
    626,567.45/938,587.10 = 289,139.36/x
  3. Step 3: Cross multiply
    626,567.45x = 938,587.10 × 289,139.36
  4. Step 4: Simplify right side
    626,567.45x = 271,382,467,259.62
  5. Step 5: Solve for x
    x = 271,382,467,259.62/626,567.45
  6. Step 6: Final answer
    x = 433,125.71

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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.