Home / 1,384,921.08-2,077,682.94-438,300

Finding the Fourth Proportional to 1,384,921.08, 2,077,682.94 and 438,300

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Solution

The fourth proportional to 1,384,921.08, 2,077,682.94 and 438,300 is: 657,545.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,921.08 : 2,077,682.94 = 438,300 : x
  2. Step 2: Convert to fraction form
    1,384,921.08/2,077,682.94 = 438,300/x
  3. Step 3: Cross multiply
    1,384,921.08x = 2,077,682.94 × 438,300
  4. Step 4: Simplify right side
    1,384,921.08x = 910,648,432,602
  5. Step 5: Solve for x
    x = 910,648,432,602/1,384,921.08
  6. Step 6: Final answer
    x = 657,545.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.