Home / 803,943.61-1,109,445.24-441,404.62

Finding the Fourth Proportional to 803,943.61, 1,109,445.24 and 441,404.62

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Solution

The fourth proportional to 803,943.61, 1,109,445.24 and 441,404.62 is: 609,140.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,943.61 : 1,109,445.24 = 441,404.62 : x
  2. Step 2: Convert to fraction form
    803,943.61/1,109,445.24 = 441,404.62/x
  3. Step 3: Cross multiply
    803,943.61x = 1,109,445.24 × 441,404.62
  4. Step 4: Simplify right side
    803,943.61x = 489,714,254,573.01
  5. Step 5: Solve for x
    x = 489,714,254,573.01/803,943.61
  6. Step 6: Final answer
    x = 609,140.05

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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.