Home / 832,490.92-1,148,889.38-469,976.20

Finding the Fourth Proportional to 832,490.92, 1,148,889.38 and 469,976.20

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Solution

The fourth proportional to 832,490.92, 1,148,889.38 and 469,976.20 is: 648,596.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,490.92 : 1,148,889.38 = 469,976.20 : x
  2. Step 2: Convert to fraction form
    832,490.92/1,148,889.38 = 469,976.20/x
  3. Step 3: Cross multiply
    832,490.92x = 1,148,889.38 × 469,976.20
  4. Step 4: Simplify right side
    832,490.92x = 539,950,665,032.76
  5. Step 5: Solve for x
    x = 539,950,665,032.76/832,490.92
  6. Step 6: Final answer
    x = 648,596.46

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1.5x scale

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.