Home / 667,824.08-999,341.63-578,175.15

Finding the Fourth Proportional to 667,824.08, 999,341.63 and 578,175.15

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Solution

The fourth proportional to 667,824.08, 999,341.63 and 578,175.15 is: 865,189.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,824.08 : 999,341.63 = 578,175.15 : x
  2. Step 2: Convert to fraction form
    667,824.08/999,341.63 = 578,175.15/x
  3. Step 3: Cross multiply
    667,824.08x = 999,341.63 × 578,175.15
  4. Step 4: Simplify right side
    667,824.08x = 577,794,496,826.50
  5. Step 5: Solve for x
    x = 577,794,496,826.50/667,824.08
  6. Step 6: Final answer
    x = 865,189.68

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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.