Home / 891,300.54-1,337,077.88-292,308.58

Finding the Fourth Proportional to 891,300.54, 1,337,077.88 and 292,308.58

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Solution

The fourth proportional to 891,300.54, 1,337,077.88 and 292,308.58 is: 438,504.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,300.54 : 1,337,077.88 = 292,308.58 : x
  2. Step 2: Convert to fraction form
    891,300.54/1,337,077.88 = 292,308.58/x
  3. Step 3: Cross multiply
    891,300.54x = 1,337,077.88 × 292,308.58
  4. Step 4: Simplify right side
    891,300.54x = 390,839,328,305.28
  5. Step 5: Solve for x
    x = 390,839,328,305.28/891,300.54
  6. Step 6: Final answer
    x = 438,504.53

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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.