Home / 803,965.60-1,109,467.84-441,395.52

Finding the Fourth Proportional to 803,965.60, 1,109,467.84 and 441,395.52

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Solution

The fourth proportional to 803,965.60, 1,109,467.84 and 441,395.52 is: 609,123.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,965.60 : 1,109,467.84 = 441,395.52 : x
  2. Step 2: Convert to fraction form
    803,965.60/1,109,467.84 = 441,395.52/x
  3. Step 3: Cross multiply
    803,965.60x = 1,109,467.84 × 441,395.52
  4. Step 4: Simplify right side
    803,965.60x = 489,714,134,160.08
  5. Step 5: Solve for x
    x = 489,714,134,160.08/803,965.60
  6. Step 6: Final answer
    x = 609,123.24

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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.