Home / 509,829.85-703,510.68-294,929.76

Finding the Fourth Proportional to 509,829.85, 703,510.68 and 294,929.76

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Solution

The fourth proportional to 509,829.85, 703,510.68 and 294,929.76 is: 406,971.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,829.85 : 703,510.68 = 294,929.76 : x
  2. Step 2: Convert to fraction form
    509,829.85/703,510.68 = 294,929.76/x
  3. Step 3: Cross multiply
    509,829.85x = 703,510.68 × 294,929.76
  4. Step 4: Simplify right side
    509,829.85x = 207,486,239,753.99
  5. Step 5: Solve for x
    x = 207,486,239,753.99/509,829.85
  6. Step 6: Final answer
    x = 406,971.54

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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.