Home / 922,985.64-1,273,721.22-520,577.64

Finding the Fourth Proportional to 922,985.64, 1,273,721.22 and 520,577.64

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Solution

The fourth proportional to 922,985.64, 1,273,721.22 and 520,577.64 is: 718,397.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,985.64 : 1,273,721.22 = 520,577.64 : x
  2. Step 2: Convert to fraction form
    922,985.64/1,273,721.22 = 520,577.64/x
  3. Step 3: Cross multiply
    922,985.64x = 1,273,721.22 × 520,577.64
  4. Step 4: Simplify right side
    922,985.64x = 663,070,786,725.52
  5. Step 5: Solve for x
    x = 663,070,786,725.52/922,985.64
  6. Step 6: Final answer
    x = 718,397.73

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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.