Home / 864,682.18-1,298,991.58-625,533.73

Finding the Fourth Proportional to 864,682.18, 1,298,991.58 and 625,533.73

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Solution

The fourth proportional to 864,682.18, 1,298,991.58 and 625,533.73 is: 939,724.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,682.18 : 1,298,991.58 = 625,533.73 : x
  2. Step 2: Convert to fraction form
    864,682.18/1,298,991.58 = 625,533.73/x
  3. Step 3: Cross multiply
    864,682.18x = 1,298,991.58 × 625,533.73
  4. Step 4: Simplify right side
    864,682.18x = 812,563,048,275.99
  5. Step 5: Solve for x
    x = 812,563,048,275.99/864,682.18
  6. Step 6: Final answer
    x = 939,724.52

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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.