Home / 851,803.50-1,277,428.76-283,031.84

Finding the Fourth Proportional to 851,803.50, 1,277,428.76 and 283,031.84

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Solution

The fourth proportional to 851,803.50, 1,277,428.76 and 283,031.84 is: 424,455.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,803.50 : 1,277,428.76 = 283,031.84 : x
  2. Step 2: Convert to fraction form
    851,803.50/1,277,428.76 = 283,031.84/x
  3. Step 3: Cross multiply
    851,803.50x = 1,277,428.76 × 283,031.84
  4. Step 4: Simplify right side
    851,803.50x = 361,553,012,411.72
  5. Step 5: Solve for x
    x = 361,553,012,411.72/851,803.50
  6. Step 6: Final answer
    x = 424,455.89

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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.