Home / 879,956.30-1,214,356.95-574,228.28

Finding the Fourth Proportional to 879,956.30, 1,214,356.95 and 574,228.28

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Solution

The fourth proportional to 879,956.30, 1,214,356.95 and 574,228.28 is: 792,446.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,956.30 : 1,214,356.95 = 574,228.28 : x
  2. Step 2: Convert to fraction form
    879,956.30/1,214,356.95 = 574,228.28/x
  3. Step 3: Cross multiply
    879,956.30x = 1,214,356.95 × 574,228.28
  4. Step 4: Simplify right side
    879,956.30x = 697,318,102,704.55
  5. Step 5: Solve for x
    x = 697,318,102,704.55/879,956.30
  6. Step 6: Final answer
    x = 792,446.29

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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.