Home / 779,066.37-1,075,107.13-434,882.39

Finding the Fourth Proportional to 779,066.37, 1,075,107.13 and 434,882.39

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Solution

The fourth proportional to 779,066.37, 1,075,107.13 and 434,882.39 is: 600,135.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,066.37 : 1,075,107.13 = 434,882.39 : x
  2. Step 2: Convert to fraction form
    779,066.37/1,075,107.13 = 434,882.39/x
  3. Step 3: Cross multiply
    779,066.37x = 1,075,107.13 × 434,882.39
  4. Step 4: Simplify right side
    779,066.37x = 467,545,151,737.70
  5. Step 5: Solve for x
    x = 467,545,151,737.70/779,066.37
  6. Step 6: Final answer
    x = 600,135.20

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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.