Home / 790,815.96-1,091,592.18-480,717.48

Finding the Fourth Proportional to 790,815.96, 1,091,592.18 and 480,717.48

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Solution

The fourth proportional to 790,815.96, 1,091,592.18 and 480,717.48 is: 663,551.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,815.96 : 1,091,592.18 = 480,717.48 : x
  2. Step 2: Convert to fraction form
    790,815.96/1,091,592.18 = 480,717.48/x
  3. Step 3: Cross multiply
    790,815.96x = 1,091,592.18 × 480,717.48
  4. Step 4: Simplify right side
    790,815.96x = 524,747,441,957.31
  5. Step 5: Solve for x
    x = 524,747,441,957.31/790,815.96
  6. Step 6: Final answer
    x = 663,551.91

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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.