Home / 893,254.03-1,339,127.74-387,434.04

Finding the Fourth Proportional to 893,254.03, 1,339,127.74 and 387,434.04

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Solution

The fourth proportional to 893,254.03, 1,339,127.74 and 387,434.04 is: 580,824.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,254.03 : 1,339,127.74 = 387,434.04 : x
  2. Step 2: Convert to fraction form
    893,254.03/1,339,127.74 = 387,434.04/x
  3. Step 3: Cross multiply
    893,254.03x = 1,339,127.74 × 387,434.04
  4. Step 4: Simplify right side
    893,254.03x = 518,823,665,846.83
  5. Step 5: Solve for x
    x = 518,823,665,846.83/893,254.03
  6. Step 6: Final answer
    x = 580,824.32

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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.