Home / 772,720.56-1,159,075.08-240,240.60

Finding the Fourth Proportional to 772,720.56, 1,159,075.08 and 240,240.60

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Solution

The fourth proportional to 772,720.56, 1,159,075.08 and 240,240.60 is: 360,359.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,720.56 : 1,159,075.08 = 240,240.60 : x
  2. Step 2: Convert to fraction form
    772,720.56/1,159,075.08 = 240,240.60/x
  3. Step 3: Cross multiply
    772,720.56x = 1,159,075.08 × 240,240.60
  4. Step 4: Simplify right side
    772,720.56x = 278,456,892,664.25
  5. Step 5: Solve for x
    x = 278,456,892,664.25/772,720.56
  6. Step 6: Final answer
    x = 360,359.11

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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.