Home / 986,215.96-1,360,964.72-550,639.98

Finding the Fourth Proportional to 986,215.96, 1,360,964.72 and 550,639.98

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Solution

The fourth proportional to 986,215.96, 1,360,964.72 and 550,639.98 is: 759,875.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,215.96 : 1,360,964.72 = 550,639.98 : x
  2. Step 2: Convert to fraction form
    986,215.96/1,360,964.72 = 550,639.98/x
  3. Step 3: Cross multiply
    986,215.96x = 1,360,964.72 × 550,639.98
  4. Step 4: Simplify right side
    986,215.96x = 749,401,579,396.68
  5. Step 5: Solve for x
    x = 749,401,579,396.68/986,215.96
  6. Step 6: Final answer
    x = 759,875.74

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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.