Home / 917,017.05-1,375,083.14-384,395.07

Finding the Fourth Proportional to 917,017.05, 1,375,083.14 and 384,395.07

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Solution

The fourth proportional to 917,017.05, 1,375,083.14 and 384,395.07 is: 576,407.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,017.05 : 1,375,083.14 = 384,395.07 : x
  2. Step 2: Convert to fraction form
    917,017.05/1,375,083.14 = 384,395.07/x
  3. Step 3: Cross multiply
    917,017.05x = 1,375,083.14 × 384,395.07
  4. Step 4: Simplify right side
    917,017.05x = 528,575,177,934.15
  5. Step 5: Solve for x
    x = 528,575,177,934.15/917,017.05
  6. Step 6: Final answer
    x = 576,407.14

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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.