Home / 907,870.20-1,361,805.30-603,439.80

Finding the Fourth Proportional to 907,870.20, 1,361,805.30 and 603,439.80

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Solution

The fourth proportional to 907,870.20, 1,361,805.30 and 603,439.80 is: 905,159.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,870.20 : 1,361,805.30 = 603,439.80 : x
  2. Step 2: Convert to fraction form
    907,870.20/1,361,805.30 = 603,439.80/x
  3. Step 3: Cross multiply
    907,870.20x = 1,361,805.30 × 603,439.80
  4. Step 4: Simplify right side
    907,870.20x = 821,767,517,870.94
  5. Step 5: Solve for x
    x = 821,767,517,870.94/907,870.20
  6. Step 6: Final answer
    x = 905,159.70

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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.