Home / 684,428.76-944,513.88-382,622.76

Finding the Fourth Proportional to 684,428.76, 944,513.88 and 382,622.76

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Solution

The fourth proportional to 684,428.76, 944,513.88 and 382,622.76 is: 528,020.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,428.76 : 944,513.88 = 382,622.76 : x
  2. Step 2: Convert to fraction form
    684,428.76/944,513.88 = 382,622.76/x
  3. Step 3: Cross multiply
    684,428.76x = 944,513.88 × 382,622.76
  4. Step 4: Simplify right side
    684,428.76x = 361,392,507,623.91
  5. Step 5: Solve for x
    x = 361,392,507,623.91/684,428.76
  6. Step 6: Final answer
    x = 528,020.63

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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.