Home / 738,875.05-1,108,312.54-339,851.43

Finding the Fourth Proportional to 738,875.05, 1,108,312.54 and 339,851.43

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Solution

The fourth proportional to 738,875.05, 1,108,312.54 and 339,851.43 is: 509,777.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,875.05 : 1,108,312.54 = 339,851.43 : x
  2. Step 2: Convert to fraction form
    738,875.05/1,108,312.54 = 339,851.43/x
  3. Step 3: Cross multiply
    738,875.05x = 1,108,312.54 × 339,851.43
  4. Step 4: Simplify right side
    738,875.05x = 376,661,600,756.30
  5. Step 5: Solve for x
    x = 376,661,600,756.30/738,875.05
  6. Step 6: Final answer
    x = 509,777.13

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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.