Home / 843,545.10-1,265,322.45-344,909.10

Finding the Fourth Proportional to 843,545.10, 1,265,322.45 and 344,909.10

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Solution

The fourth proportional to 843,545.10, 1,265,322.45 and 344,909.10 is: 517,365.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,545.10 : 1,265,322.45 = 344,909.10 : x
  2. Step 2: Convert to fraction form
    843,545.10/1,265,322.45 = 344,909.10/x
  3. Step 3: Cross multiply
    843,545.10x = 1,265,322.45 × 344,909.10
  4. Step 4: Simplify right side
    843,545.10x = 436,421,227,439.30
  5. Step 5: Solve for x
    x = 436,421,227,439.30/843,545.10
  6. Step 6: Final answer
    x = 517,365.61

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1.5x scale

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.