Home / 684,026.88-943,954.20-382,220.88

Finding the Fourth Proportional to 684,026.88, 943,954.20 and 382,220.88

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Solution

The fourth proportional to 684,026.88, 943,954.20 and 382,220.88 is: 527,463.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,026.88 : 943,954.20 = 382,220.88 : x
  2. Step 2: Convert to fraction form
    684,026.88/943,954.20 = 382,220.88/x
  3. Step 3: Cross multiply
    684,026.88x = 943,954.20 × 382,220.88
  4. Step 4: Simplify right side
    684,026.88x = 360,799,005,003.70
  5. Step 5: Solve for x
    x = 360,799,005,003.70/684,026.88
  6. Step 6: Final answer
    x = 527,463.20

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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.