Home / 735,876.37-1,015,590.31-421,578.08

Finding the Fourth Proportional to 735,876.37, 1,015,590.31 and 421,578.08

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Solution

The fourth proportional to 735,876.37, 1,015,590.31 and 421,578.08 is: 581,824.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,876.37 : 1,015,590.31 = 421,578.08 : x
  2. Step 2: Convert to fraction form
    735,876.37/1,015,590.31 = 421,578.08/x
  3. Step 3: Cross multiply
    735,876.37x = 1,015,590.31 × 421,578.08
  4. Step 4: Simplify right side
    735,876.37x = 428,150,616,549.33
  5. Step 5: Solve for x
    x = 428,150,616,549.33/735,876.37
  6. Step 6: Final answer
    x = 581,824.11

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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.