Home / 779,595.63-1,075,841.96-421,899.63

Finding the Fourth Proportional to 779,595.63, 1,075,841.96 and 421,899.63

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Solution

The fourth proportional to 779,595.63, 1,075,841.96 and 421,899.63 is: 582,221.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,595.63 : 1,075,841.96 = 421,899.63 : x
  2. Step 2: Convert to fraction form
    779,595.63/1,075,841.96 = 421,899.63/x
  3. Step 3: Cross multiply
    779,595.63x = 1,075,841.96 × 421,899.63
  4. Step 4: Simplify right side
    779,595.63x = 453,897,324,862.48
  5. Step 5: Solve for x
    x = 453,897,324,862.48/779,595.63
  6. Step 6: Final answer
    x = 582,221.48

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Double scale
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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.