Home / 779,537.52-1,075,765.32-421,841.52

Finding the Fourth Proportional to 779,537.52, 1,075,765.32 and 421,841.52

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Solution

The fourth proportional to 779,537.52, 1,075,765.32 and 421,841.52 is: 582,143.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,537.52 : 1,075,765.32 = 421,841.52 : x
  2. Step 2: Convert to fraction form
    779,537.52/1,075,765.32 = 421,841.52/x
  3. Step 3: Cross multiply
    779,537.52x = 1,075,765.32 × 421,841.52
  4. Step 4: Simplify right side
    779,537.52x = 453,802,477,752.09
  5. Step 5: Solve for x
    x = 453,802,477,752.09/779,537.52
  6. Step 6: Final answer
    x = 582,143.21

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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.