Home / 552,041.19-762,395.15-380,405.43

Finding the Fourth Proportional to 552,041.19, 762,395.15 and 380,405.43

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Solution

The fourth proportional to 552,041.19, 762,395.15 and 380,405.43 is: 525,358.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,041.19 : 762,395.15 = 380,405.43 : x
  2. Step 2: Convert to fraction form
    552,041.19/762,395.15 = 380,405.43/x
  3. Step 3: Cross multiply
    552,041.19x = 762,395.15 × 380,405.43
  4. Step 4: Simplify right side
    552,041.19x = 290,019,255,816.68
  5. Step 5: Solve for x
    x = 290,019,255,816.68/552,041.19
  6. Step 6: Final answer
    x = 525,358.00

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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.