Home / 347,834.20-520,973.70-340,058.20

Finding the Fourth Proportional to 347,834.20, 520,973.70 and 340,058.20

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Solution

The fourth proportional to 347,834.20, 520,973.70 and 340,058.20 is: 509,327.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,834.20 : 520,973.70 = 340,058.20 : x
  2. Step 2: Convert to fraction form
    347,834.20/520,973.70 = 340,058.20/x
  3. Step 3: Cross multiply
    347,834.20x = 520,973.70 × 340,058.20
  4. Step 4: Simplify right side
    347,834.20x = 177,161,378,669.34
  5. Step 5: Solve for x
    x = 177,161,378,669.34/347,834.20
  6. Step 6: Final answer
    x = 509,327.08

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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.