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Finding the Fourth Proportional to 520,675.04, 780,306 and 236,010.08

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Solution

The fourth proportional to 520,675.04, 780,306 and 236,010.08 is: 353,694.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,675.04 : 780,306 = 236,010.08 : x
  2. Step 2: Convert to fraction form
    520,675.04/780,306 = 236,010.08/x
  3. Step 3: Cross multiply
    520,675.04x = 780,306 × 236,010.08
  4. Step 4: Simplify right side
    520,675.04x = 184,160,081,484.48
  5. Step 5: Solve for x
    x = 184,160,081,484.48/520,675.04
  6. Step 6: Final answer
    x = 353,694.85

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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.