Home / 879,294.42-1,317,920.67-404,984.34

Finding the Fourth Proportional to 879,294.42, 1,317,920.67 and 404,984.34

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Solution

The fourth proportional to 879,294.42, 1,317,920.67 and 404,984.34 is: 607,006.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,294.42 : 1,317,920.67 = 404,984.34 : x
  2. Step 2: Convert to fraction form
    879,294.42/1,317,920.67 = 404,984.34/x
  3. Step 3: Cross multiply
    879,294.42x = 1,317,920.67 × 404,984.34
  4. Step 4: Simplify right side
    879,294.42x = 533,737,232,712.31
  5. Step 5: Solve for x
    x = 533,737,232,712.31/879,294.42
  6. Step 6: Final answer
    x = 607,006.28

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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.