Home / 563,932.24-778,275.71-309,332.63

Finding the Fourth Proportional to 563,932.24, 778,275.71 and 309,332.63

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Solution

The fourth proportional to 563,932.24, 778,275.71 and 309,332.63 is: 426,906.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,932.24 : 778,275.71 = 309,332.63 : x
  2. Step 2: Convert to fraction form
    563,932.24/778,275.71 = 309,332.63/x
  3. Step 3: Cross multiply
    563,932.24x = 778,275.71 × 309,332.63
  4. Step 4: Simplify right side
    563,932.24x = 240,746,073,798.44
  5. Step 5: Solve for x
    x = 240,746,073,798.44/563,932.24
  6. Step 6: Final answer
    x = 426,906.03

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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.