Home / 803,927.64-1,109,423.10-441,388.62

Finding the Fourth Proportional to 803,927.64, 1,109,423.10 and 441,388.62

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Solution

The fourth proportional to 803,927.64, 1,109,423.10 and 441,388.62 is: 609,117.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,927.64 : 1,109,423.10 = 441,388.62 : x
  2. Step 2: Convert to fraction form
    803,927.64/1,109,423.10 = 441,388.62/x
  3. Step 3: Cross multiply
    803,927.64x = 1,109,423.10 × 441,388.62
  4. Step 4: Simplify right side
    803,927.64x = 489,686,731,105.12
  5. Step 5: Solve for x
    x = 489,686,731,105.12/803,927.64
  6. Step 6: Final answer
    x = 609,117.92

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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.