Home / 346,721.80-520,082.70-294,363.40

Finding the Fourth Proportional to 346,721.80, 520,082.70 and 294,363.40

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Solution

The fourth proportional to 346,721.80, 520,082.70 and 294,363.40 is: 441,545.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,721.80 : 520,082.70 = 294,363.40 : x
  2. Step 2: Convert to fraction form
    346,721.80/520,082.70 = 294,363.40/x
  3. Step 3: Cross multiply
    346,721.80x = 520,082.70 × 294,363.40
  4. Step 4: Simplify right side
    346,721.80x = 153,093,311,853.18
  5. Step 5: Solve for x
    x = 153,093,311,853.18/346,721.80
  6. Step 6: Final answer
    x = 441,545.10

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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.