Home / 738,259.80-1,107,065.70-338,767.80

Finding the Fourth Proportional to 738,259.80, 1,107,065.70 and 338,767.80

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Solution

The fourth proportional to 738,259.80, 1,107,065.70 and 338,767.80 is: 508,003.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,259.80 : 1,107,065.70 = 338,767.80 : x
  2. Step 2: Convert to fraction form
    738,259.80/1,107,065.70 = 338,767.80/x
  3. Step 3: Cross multiply
    738,259.80x = 1,107,065.70 × 338,767.80
  4. Step 4: Simplify right side
    738,259.80x = 375,038,211,644.46
  5. Step 5: Solve for x
    x = 375,038,211,644.46/738,259.80
  6. Step 6: Final answer
    x = 508,003.03

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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.