Home / 803,483.31-1,203,378.78-465,688.41

Finding the Fourth Proportional to 803,483.31, 1,203,378.78 and 465,688.41

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Solution

The fourth proportional to 803,483.31, 1,203,378.78 and 465,688.41 is: 697,462.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,483.31 : 1,203,378.78 = 465,688.41 : x
  2. Step 2: Convert to fraction form
    803,483.31/1,203,378.78 = 465,688.41/x
  3. Step 3: Cross multiply
    803,483.31x = 1,203,378.78 × 465,688.41
  4. Step 4: Simplify right side
    803,483.31x = 560,399,550,685.94
  5. Step 5: Solve for x
    x = 560,399,550,685.94/803,483.31
  6. Step 6: Final answer
    x = 697,462.59

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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.