Home / 922,008.05-1,272,339.65-508,561.21

Finding the Fourth Proportional to 922,008.05, 1,272,339.65 and 508,561.21

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Solution

The fourth proportional to 922,008.05, 1,272,339.65 and 508,561.21 is: 701,797.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,008.05 : 1,272,339.65 = 508,561.21 : x
  2. Step 2: Convert to fraction form
    922,008.05/1,272,339.65 = 508,561.21/x
  3. Step 3: Cross multiply
    922,008.05x = 1,272,339.65 × 508,561.21
  4. Step 4: Simplify right side
    922,008.05x = 647,062,591,934.98
  5. Step 5: Solve for x
    x = 647,062,591,934.98/922,008.05
  6. Step 6: Final answer
    x = 701,797.12

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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.