Home / 766,590.10-1,149,940.52-310,962.51

Finding the Fourth Proportional to 766,590.10, 1,149,940.52 and 310,962.51

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Solution

The fourth proportional to 766,590.10, 1,149,940.52 and 310,962.51 is: 466,466.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,590.10 : 1,149,940.52 = 310,962.51 : x
  2. Step 2: Convert to fraction form
    766,590.10/1,149,940.52 = 310,962.51/x
  3. Step 3: Cross multiply
    766,590.10x = 1,149,940.52 × 310,962.51
  4. Step 4: Simplify right side
    766,590.10x = 357,588,391,227.31
  5. Step 5: Solve for x
    x = 357,588,391,227.31/766,590.10
  6. Step 6: Final answer
    x = 466,466.23

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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.