Home / 879,942.32-1,214,337.59-574,214.30

Finding the Fourth Proportional to 879,942.32, 1,214,337.59 and 574,214.30

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Solution

The fourth proportional to 879,942.32, 1,214,337.59 and 574,214.30 is: 792,426.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,942.32 : 1,214,337.59 = 574,214.30 : x
  2. Step 2: Convert to fraction form
    879,942.32/1,214,337.59 = 574,214.30/x
  3. Step 3: Cross multiply
    879,942.32x = 1,214,337.59 × 574,214.30
  4. Step 4: Simplify right side
    879,942.32x = 697,290,000,262.78
  5. Step 5: Solve for x
    x = 697,290,000,262.78/879,942.32
  6. Step 6: Final answer
    x = 792,426.94

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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.