Home / 981,483.70-1,472,223.31-307,616.35

Finding the Fourth Proportional to 981,483.70, 1,472,223.31 and 307,616.35

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Solution

The fourth proportional to 981,483.70, 1,472,223.31 and 307,616.35 is: 461,423.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,483.70 : 1,472,223.31 = 307,616.35 : x
  2. Step 2: Convert to fraction form
    981,483.70/1,472,223.31 = 307,616.35/x
  3. Step 3: Cross multiply
    981,483.70x = 1,472,223.31 × 307,616.35
  4. Step 4: Simplify right side
    981,483.70x = 452,879,956,557.52
  5. Step 5: Solve for x
    x = 452,879,956,557.52/981,483.70
  6. Step 6: Final answer
    x = 461,423.82

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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.