Home / 799,483.50-1,103,181.12-513,391.50

Finding the Fourth Proportional to 799,483.50, 1,103,181.12 and 513,391.50

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Solution

The fourth proportional to 799,483.50, 1,103,181.12 and 513,391.50 is: 708,412.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,483.50 : 1,103,181.12 = 513,391.50 : x
  2. Step 2: Convert to fraction form
    799,483.50/1,103,181.12 = 513,391.50/x
  3. Step 3: Cross multiply
    799,483.50x = 1,103,181.12 × 513,391.50
  4. Step 4: Simplify right side
    799,483.50x = 566,363,809,968.48
  5. Step 5: Solve for x
    x = 566,363,809,968.48/799,483.50
  6. Step 6: Final answer
    x = 708,412.13

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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.