Home / 780,058.10-1,170,087.15-727,570.10

Finding the Fourth Proportional to 780,058.10, 1,170,087.15 and 727,570.10

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Solution

The fourth proportional to 780,058.10, 1,170,087.15 and 727,570.10 is: 1,091,355.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,058.10 : 1,170,087.15 = 727,570.10 : x
  2. Step 2: Convert to fraction form
    780,058.10/1,170,087.15 = 727,570.10/x
  3. Step 3: Cross multiply
    780,058.10x = 1,170,087.15 × 727,570.10
  4. Step 4: Simplify right side
    780,058.10x = 851,320,424,734.22
  5. Step 5: Solve for x
    x = 851,320,424,734.22/780,058.10
  6. Step 6: Final answer
    x = 1,091,355.15

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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.