Home / 749,886.72-1,034,843.76-410,355

Finding the Fourth Proportional to 749,886.72, 1,034,843.76 and 410,355

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Solution

The fourth proportional to 749,886.72, 1,034,843.76 and 410,355 is: 566,289.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,886.72 : 1,034,843.76 = 410,355 : x
  2. Step 2: Convert to fraction form
    749,886.72/1,034,843.76 = 410,355/x
  3. Step 3: Cross multiply
    749,886.72x = 1,034,843.76 × 410,355
  4. Step 4: Simplify right side
    749,886.72x = 424,653,311,134.80
  5. Step 5: Solve for x
    x = 424,653,311,134.80/749,886.72
  6. Step 6: Final answer
    x = 566,289.95

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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.