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Finding the Fourth Proportional to 587,005.95, 810,053.87 and 328,893.68

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Solution

The fourth proportional to 587,005.95, 810,053.87 and 328,893.68 is: 453,865.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,005.95 : 810,053.87 = 328,893.68 : x
  2. Step 2: Convert to fraction form
    587,005.95/810,053.87 = 328,893.68/x
  3. Step 3: Cross multiply
    587,005.95x = 810,053.87 × 328,893.68
  4. Step 4: Simplify right side
    587,005.95x = 266,421,598,683.21
  5. Step 5: Solve for x
    x = 266,421,598,683.21/587,005.95
  6. Step 6: Final answer
    x = 453,865.24

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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.