Home / 803,927.07-1,109,432.36-441,384.35

Finding the Fourth Proportional to 803,927.07, 1,109,432.36 and 441,384.35

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Solution

The fourth proportional to 803,927.07, 1,109,432.36 and 441,384.35 is: 609,117.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,927.07 : 1,109,432.36 = 441,384.35 : x
  2. Step 2: Convert to fraction form
    803,927.07/1,109,432.36 = 441,384.35/x
  3. Step 3: Cross multiply
    803,927.07x = 1,109,432.36 × 441,384.35
  4. Step 4: Simplify right side
    803,927.07x = 489,686,078,880.64
  5. Step 5: Solve for x
    x = 489,686,078,880.64/803,927.07
  6. Step 6: Final answer
    x = 609,117.54

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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.