Home / 843,485.78-1,164,008.48-461,511.74

Finding the Fourth Proportional to 843,485.78, 1,164,008.48 and 461,511.74

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Solution

The fourth proportional to 843,485.78, 1,164,008.48 and 461,511.74 is: 636,885.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,485.78 : 1,164,008.48 = 461,511.74 : x
  2. Step 2: Convert to fraction form
    843,485.78/1,164,008.48 = 461,511.74/x
  3. Step 3: Cross multiply
    843,485.78x = 1,164,008.48 × 461,511.74
  4. Step 4: Simplify right side
    843,485.78x = 537,203,578,979.56
  5. Step 5: Solve for x
    x = 537,203,578,979.56/843,485.78
  6. Step 6: Final answer
    x = 636,885.16

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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.