Home / 821,773.10-1,134,159.48-472,906.32

Finding the Fourth Proportional to 821,773.10, 1,134,159.48 and 472,906.32

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Solution

The fourth proportional to 821,773.10, 1,134,159.48 and 472,906.32 is: 652,675.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,773.10 : 1,134,159.48 = 472,906.32 : x
  2. Step 2: Convert to fraction form
    821,773.10/1,134,159.48 = 472,906.32/x
  3. Step 3: Cross multiply
    821,773.10x = 1,134,159.48 × 472,906.32
  4. Step 4: Simplify right side
    821,773.10x = 536,351,185,979.91
  5. Step 5: Solve for x
    x = 536,351,185,979.91/821,773.10
  6. Step 6: Final answer
    x = 652,675.52

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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.