Home / 779,067.37-1,075,108.51-434,883.39

Finding the Fourth Proportional to 779,067.37, 1,075,108.51 and 434,883.39

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Solution

The fourth proportional to 779,067.37, 1,075,108.51 and 434,883.39 is: 600,136.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,067.37 : 1,075,108.51 = 434,883.39 : x
  2. Step 2: Convert to fraction form
    779,067.37/1,075,108.51 = 434,883.39/x
  3. Step 3: Cross multiply
    779,067.37x = 1,075,108.51 × 434,883.39
  4. Step 4: Simplify right side
    779,067.37x = 467,546,833,446.65
  5. Step 5: Solve for x
    x = 467,546,833,446.65/779,067.37
  6. Step 6: Final answer
    x = 600,136.59

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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.