Home / 442,147.61-609,545.86-373,890.74

Finding the Fourth Proportional to 442,147.61, 609,545.86 and 373,890.74

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Solution

The fourth proportional to 442,147.61, 609,545.86 and 373,890.74 is: 515,446.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,147.61 : 609,545.86 = 373,890.74 : x
  2. Step 2: Convert to fraction form
    442,147.61/609,545.86 = 373,890.74/x
  3. Step 3: Cross multiply
    442,147.61x = 609,545.86 × 373,890.74
  4. Step 4: Simplify right side
    442,147.61x = 227,903,548,676.88
  5. Step 5: Solve for x
    x = 227,903,548,676.88/442,147.61
  6. Step 6: Final answer
    x = 515,446.75

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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.