Home / 916,295.18-1,374,640.20-276,545.36

Finding the Fourth Proportional to 916,295.18, 1,374,640.20 and 276,545.36

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Solution

The fourth proportional to 916,295.18, 1,374,640.20 and 276,545.36 is: 414,877.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,295.18 : 1,374,640.20 = 276,545.36 : x
  2. Step 2: Convert to fraction form
    916,295.18/1,374,640.20 = 276,545.36/x
  3. Step 3: Cross multiply
    916,295.18x = 1,374,640.20 × 276,545.36
  4. Step 4: Simplify right side
    916,295.18x = 380,150,368,979.47
  5. Step 5: Solve for x
    x = 380,150,368,979.47/916,295.18
  6. Step 6: Final answer
    x = 414,877.63

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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.