Home / 803,927.32-1,109,432.70-441,384.60

Finding the Fourth Proportional to 803,927.32, 1,109,432.70 and 441,384.60

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Solution

The fourth proportional to 803,927.32, 1,109,432.70 and 441,384.60 is: 609,117.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,927.32 : 1,109,432.70 = 441,384.60 : x
  2. Step 2: Convert to fraction form
    803,927.32/1,109,432.70 = 441,384.60/x
  3. Step 3: Cross multiply
    803,927.32x = 1,109,432.70 × 441,384.60
  4. Step 4: Simplify right side
    803,927.32x = 489,686,508,516.42
  5. Step 5: Solve for x
    x = 489,686,508,516.42/803,927.32
  6. Step 6: Final answer
    x = 609,117.88

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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.