Home / 784,878.10-1,176,107.55-584,257.30

Finding the Fourth Proportional to 784,878.10, 1,176,107.55 and 584,257.30

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Solution

The fourth proportional to 784,878.10, 1,176,107.55 and 584,257.30 is: 875,485.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,878.10 : 1,176,107.55 = 584,257.30 : x
  2. Step 2: Convert to fraction form
    784,878.10/1,176,107.55 = 584,257.30/x
  3. Step 3: Cross multiply
    784,878.10x = 1,176,107.55 × 584,257.30
  4. Step 4: Simplify right side
    784,878.10x = 687,149,421,672.62
  5. Step 5: Solve for x
    x = 687,149,421,672.62/784,878.10
  6. Step 6: Final answer
    x = 875,485.53

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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.