Home / 329,401.18-452,828.32-283,292.20

Finding the Fourth Proportional to 329,401.18, 452,828.32 and 283,292.20

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Solution

The fourth proportional to 329,401.18, 452,828.32 and 283,292.20 is: 389,442.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,401.18 : 452,828.32 = 283,292.20 : x
  2. Step 2: Convert to fraction form
    329,401.18/452,828.32 = 283,292.20/x
  3. Step 3: Cross multiply
    329,401.18x = 452,828.32 × 283,292.20
  4. Step 4: Simplify right side
    329,401.18x = 128,282,730,995.10
  5. Step 5: Solve for x
    x = 128,282,730,995.10/329,401.18
  6. Step 6: Final answer
    x = 389,442.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.