Home / 767,801.73-1,150,160.66-382,389.56

Finding the Fourth Proportional to 767,801.73, 1,150,160.66 and 382,389.56

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Solution

The fourth proportional to 767,801.73, 1,150,160.66 and 382,389.56 is: 572,816.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,801.73 : 1,150,160.66 = 382,389.56 : x
  2. Step 2: Convert to fraction form
    767,801.73/1,150,160.66 = 382,389.56/x
  3. Step 3: Cross multiply
    767,801.73x = 1,150,160.66 × 382,389.56
  4. Step 4: Simplify right side
    767,801.73x = 439,809,421,043.96
  5. Step 5: Solve for x
    x = 439,809,421,043.96/767,801.73
  6. Step 6: Final answer
    x = 572,816.40

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1.5x scale

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.