Home / 949,931.80-1,423,688.10-388,331.80

Finding the Fourth Proportional to 949,931.80, 1,423,688.10 and 388,331.80

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Solution

The fourth proportional to 949,931.80, 1,423,688.10 and 388,331.80 is: 582,003.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,931.80 : 1,423,688.10 = 388,331.80 : x
  2. Step 2: Convert to fraction form
    949,931.80/1,423,688.10 = 388,331.80/x
  3. Step 3: Cross multiply
    949,931.80x = 1,423,688.10 × 388,331.80
  4. Step 4: Simplify right side
    949,931.80x = 552,863,362,511.58
  5. Step 5: Solve for x
    x = 552,863,362,511.58/949,931.80
  6. Step 6: Final answer
    x = 582,003.22

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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.