Home / 879,951.57-1,214,350.40-574,223.55

Finding the Fourth Proportional to 879,951.57, 1,214,350.40 and 574,223.55

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Solution

The fourth proportional to 879,951.57, 1,214,350.40 and 574,223.55 is: 792,439.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,951.57 : 1,214,350.40 = 574,223.55 : x
  2. Step 2: Convert to fraction form
    879,951.57/1,214,350.40 = 574,223.55/x
  3. Step 3: Cross multiply
    879,951.57x = 1,214,350.40 × 574,223.55
  4. Step 4: Simplify right side
    879,951.57x = 697,308,597,631.92
  5. Step 5: Solve for x
    x = 697,308,597,631.92/879,951.57
  6. Step 6: Final answer
    x = 792,439.74

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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.