Home / 684,263.30-944,242.85-378,315.63

Finding the Fourth Proportional to 684,263.30, 944,242.85 and 378,315.63

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Solution

The fourth proportional to 684,263.30, 944,242.85 and 378,315.63 is: 522,053.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,263.30 : 944,242.85 = 378,315.63 : x
  2. Step 2: Convert to fraction form
    684,263.30/944,242.85 = 378,315.63/x
  3. Step 3: Cross multiply
    684,263.30x = 944,242.85 × 378,315.63
  4. Step 4: Simplify right side
    684,263.30x = 357,221,829,616.54
  5. Step 5: Solve for x
    x = 357,221,829,616.54/684,263.30
  6. Step 6: Final answer
    x = 522,053.18

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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.