Home / 790,395.64-1,090,454.20-518,614.41

Finding the Fourth Proportional to 790,395.64, 1,090,454.20 and 518,614.41

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Solution

The fourth proportional to 790,395.64, 1,090,454.20 and 518,614.41 is: 715,496.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,395.64 : 1,090,454.20 = 518,614.41 : x
  2. Step 2: Convert to fraction form
    790,395.64/1,090,454.20 = 518,614.41/x
  3. Step 3: Cross multiply
    790,395.64x = 1,090,454.20 × 518,614.41
  4. Step 4: Simplify right side
    790,395.64x = 565,525,264,357.69
  5. Step 5: Solve for x
    x = 565,525,264,357.69/790,395.64
  6. Step 6: Final answer
    x = 715,496.44

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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.