Home / 763,499.04-1,145,206.44-314,106.18

Finding the Fourth Proportional to 763,499.04, 1,145,206.44 and 314,106.18

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Solution

The fourth proportional to 763,499.04, 1,145,206.44 and 314,106.18 is: 471,141.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,499.04 : 1,145,206.44 = 314,106.18 : x
  2. Step 2: Convert to fraction form
    763,499.04/1,145,206.44 = 314,106.18/x
  3. Step 3: Cross multiply
    763,499.04x = 1,145,206.44 × 314,106.18
  4. Step 4: Simplify right side
    763,499.04x = 359,716,420,179.80
  5. Step 5: Solve for x
    x = 359,716,420,179.80/763,499.04
  6. Step 6: Final answer
    x = 471,141.94

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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.