Home / 807,857.43-1,114,777.68-468,347.55

Finding the Fourth Proportional to 807,857.43, 1,114,777.68 and 468,347.55

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Solution

The fourth proportional to 807,857.43, 1,114,777.68 and 468,347.55 is: 646,281.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,857.43 : 1,114,777.68 = 468,347.55 : x
  2. Step 2: Convert to fraction form
    807,857.43/1,114,777.68 = 468,347.55/x
  3. Step 3: Cross multiply
    807,857.43x = 1,114,777.68 × 468,347.55
  4. Step 4: Simplify right side
    807,857.43x = 522,103,395,222.68
  5. Step 5: Solve for x
    x = 522,103,395,222.68/807,857.43
  6. Step 6: Final answer
    x = 646,281.60

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1.5x scale

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.