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Finding the Fourth Proportional to 501,370.17, 691,666.90 and 297,429.67

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Solution

The fourth proportional to 501,370.17, 691,666.90 and 297,429.67 is: 410,320.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,370.17 : 691,666.90 = 297,429.67 : x
  2. Step 2: Convert to fraction form
    501,370.17/691,666.90 = 297,429.67/x
  3. Step 3: Cross multiply
    501,370.17x = 691,666.90 × 297,429.67
  4. Step 4: Simplify right side
    501,370.17x = 205,722,257,816.92
  5. Step 5: Solve for x
    x = 205,722,257,816.92/501,370.17
  6. Step 6: Final answer
    x = 410,320.10

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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.