Home / 833,521.25-1,150,312.48-511,187.54

Finding the Fourth Proportional to 833,521.25, 1,150,312.48 and 511,187.54

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Solution

The fourth proportional to 833,521.25, 1,150,312.48 and 511,187.54 is: 705,471.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,521.25 : 1,150,312.48 = 511,187.54 : x
  2. Step 2: Convert to fraction form
    833,521.25/1,150,312.48 = 511,187.54/x
  3. Step 3: Cross multiply
    833,521.25x = 1,150,312.48 × 511,187.54
  4. Step 4: Simplify right side
    833,521.25x = 588,025,399,852.97
  5. Step 5: Solve for x
    x = 588,025,399,852.97/833,521.25
  6. Step 6: Final answer
    x = 705,471.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.