Home / 630,528.52-945,786.54-288,875.03

Finding the Fourth Proportional to 630,528.52, 945,786.54 and 288,875.03

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Solution

The fourth proportional to 630,528.52, 945,786.54 and 288,875.03 is: 433,309.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,528.52 : 945,786.54 = 288,875.03 : x
  2. Step 2: Convert to fraction form
    630,528.52/945,786.54 = 288,875.03/x
  3. Step 3: Cross multiply
    630,528.52x = 945,786.54 × 288,875.03
  4. Step 4: Simplify right side
    630,528.52x = 273,214,108,942.79
  5. Step 5: Solve for x
    x = 273,214,108,942.79/630,528.52
  6. Step 6: Final answer
    x = 433,309.68

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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.