Home / 914,801.80-1,371,036.30-440,465.80

Finding the Fourth Proportional to 914,801.80, 1,371,036.30 and 440,465.80

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Solution

The fourth proportional to 914,801.80, 1,371,036.30 and 440,465.80 is: 660,137.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,801.80 : 1,371,036.30 = 440,465.80 : x
  2. Step 2: Convert to fraction form
    914,801.80/1,371,036.30 = 440,465.80/x
  3. Step 3: Cross multiply
    914,801.80x = 1,371,036.30 × 440,465.80
  4. Step 4: Simplify right side
    914,801.80x = 603,894,600,708.54
  5. Step 5: Solve for x
    x = 603,894,600,708.54/914,801.80
  6. Step 6: Final answer
    x = 660,137.09

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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.