Home / 669,878.48-1,003,647.68-558,275.87

Finding the Fourth Proportional to 669,878.48, 1,003,647.68 and 558,275.87

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Solution

The fourth proportional to 669,878.48, 1,003,647.68 and 558,275.87 is: 836,438.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,878.48 : 1,003,647.68 = 558,275.87 : x
  2. Step 2: Convert to fraction form
    669,878.48/1,003,647.68 = 558,275.87/x
  3. Step 3: Cross multiply
    669,878.48x = 1,003,647.68 × 558,275.87
  4. Step 4: Simplify right side
    669,878.48x = 560,312,283,536.76
  5. Step 5: Solve for x
    x = 560,312,283,536.76/669,878.48
  6. Step 6: Final answer
    x = 836,438.69

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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.