Home / 907,680.60-1,361,520.90-624,245.40

Finding the Fourth Proportional to 907,680.60, 1,361,520.90 and 624,245.40

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Solution

The fourth proportional to 907,680.60, 1,361,520.90 and 624,245.40 is: 936,368.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,680.60 : 1,361,520.90 = 624,245.40 : x
  2. Step 2: Convert to fraction form
    907,680.60/1,361,520.90 = 624,245.40/x
  3. Step 3: Cross multiply
    907,680.60x = 1,361,520.90 × 624,245.40
  4. Step 4: Simplify right side
    907,680.60x = 849,923,158,828.86
  5. Step 5: Solve for x
    x = 849,923,158,828.86/907,680.60
  6. Step 6: Final answer
    x = 936,368.10

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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.