Home / 346,839.82-520,365.96-311,075.08

Finding the Fourth Proportional to 346,839.82, 520,365.96 and 311,075.08

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Solution

The fourth proportional to 346,839.82, 520,365.96 and 311,075.08 is: 466,707.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,839.82 : 520,365.96 = 311,075.08 : x
  2. Step 2: Convert to fraction form
    346,839.82/520,365.96 = 311,075.08/x
  3. Step 3: Cross multiply
    346,839.82x = 520,365.96 × 311,075.08
  4. Step 4: Simplify right side
    346,839.82x = 161,872,882,636.28
  5. Step 5: Solve for x
    x = 161,872,882,636.28/346,839.82
  6. Step 6: Final answer
    x = 466,707.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.