Home / 779,546.24-1,075,776.96-421,850.24

Finding the Fourth Proportional to 779,546.24, 1,075,776.96 and 421,850.24

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Solution

The fourth proportional to 779,546.24, 1,075,776.96 and 421,850.24 is: 582,155.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,546.24 : 1,075,776.96 = 421,850.24 : x
  2. Step 2: Convert to fraction form
    779,546.24/1,075,776.96 = 421,850.24/x
  3. Step 3: Cross multiply
    779,546.24x = 1,075,776.96 × 421,850.24
  4. Step 4: Simplify right side
    779,546.24x = 453,816,768,762.47
  5. Step 5: Solve for x
    x = 453,816,768,762.47/779,546.24
  6. Step 6: Final answer
    x = 582,155.04

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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.