Home / 900,737.36-1,243,006.88-492,834.44

Finding the Fourth Proportional to 900,737.36, 1,243,006.88 and 492,834.44

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Solution

The fourth proportional to 900,737.36, 1,243,006.88 and 492,834.44 is: 680,105.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,737.36 : 1,243,006.88 = 492,834.44 : x
  2. Step 2: Convert to fraction form
    900,737.36/1,243,006.88 = 492,834.44/x
  3. Step 3: Cross multiply
    900,737.36x = 1,243,006.88 × 492,834.44
  4. Step 4: Simplify right side
    900,737.36x = 612,596,599,620.95
  5. Step 5: Solve for x
    x = 612,596,599,620.95/900,737.36
  6. Step 6: Final answer
    x = 680,105.69

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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.