Home / 779,537.34-1,075,765.14-421,841.34

Finding the Fourth Proportional to 779,537.34, 1,075,765.14 and 421,841.34

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Solution

The fourth proportional to 779,537.34, 1,075,765.14 and 421,841.34 is: 582,143.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,537.34 : 1,075,765.14 = 421,841.34 : x
  2. Step 2: Convert to fraction form
    779,537.34/1,075,765.14 = 421,841.34/x
  3. Step 3: Cross multiply
    779,537.34x = 1,075,765.14 × 421,841.34
  4. Step 4: Simplify right side
    779,537.34x = 453,802,208,182.89
  5. Step 5: Solve for x
    x = 453,802,208,182.89/779,537.34
  6. Step 6: Final answer
    x = 582,143.00

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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.