Home / 907,982.80-1,361,974.20-624,547.60

Finding the Fourth Proportional to 907,982.80, 1,361,974.20 and 624,547.60

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Solution

The fourth proportional to 907,982.80, 1,361,974.20 and 624,547.60 is: 936,821.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,982.80 : 1,361,974.20 = 624,547.60 : x
  2. Step 2: Convert to fraction form
    907,982.80/1,361,974.20 = 624,547.60/x
  3. Step 3: Cross multiply
    907,982.80x = 1,361,974.20 × 624,547.60
  4. Step 4: Simplify right side
    907,982.80x = 850,617,717,871.92
  5. Step 5: Solve for x
    x = 850,617,717,871.92/907,982.80
  6. Step 6: Final answer
    x = 936,821.40

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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.