Home / 648,875.20-973,405.95-199,633.81

Finding the Fourth Proportional to 648,875.20, 973,405.95 and 199,633.81

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Solution

The fourth proportional to 648,875.20, 973,405.95 and 199,633.81 is: 299,479.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,875.20 : 973,405.95 = 199,633.81 : x
  2. Step 2: Convert to fraction form
    648,875.20/973,405.95 = 199,633.81/x
  3. Step 3: Cross multiply
    648,875.20x = 973,405.95 × 199,633.81
  4. Step 4: Simplify right side
    648,875.20x = 194,324,738,475.17
  5. Step 5: Solve for x
    x = 194,324,738,475.17/648,875.20
  6. Step 6: Final answer
    x = 299,479.37

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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.