Home / 557,523.81-769,385.99-302,875.61

Finding the Fourth Proportional to 557,523.81, 769,385.99 and 302,875.61

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Solution

The fourth proportional to 557,523.81, 769,385.99 and 302,875.61 is: 417,970.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,523.81 : 769,385.99 = 302,875.61 : x
  2. Step 2: Convert to fraction form
    557,523.81/769,385.99 = 302,875.61/x
  3. Step 3: Cross multiply
    557,523.81x = 769,385.99 × 302,875.61
  4. Step 4: Simplify right side
    557,523.81x = 233,028,247,956.96
  5. Step 5: Solve for x
    x = 233,028,247,956.96/557,523.81
  6. Step 6: Final answer
    x = 417,970.04

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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.