Home / 763,598.03-1,145,544.35-290,246.37

Finding the Fourth Proportional to 763,598.03, 1,145,544.35 and 290,246.37

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Solution

The fourth proportional to 763,598.03, 1,145,544.35 and 290,246.37 is: 435,425.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,598.03 : 1,145,544.35 = 290,246.37 : x
  2. Step 2: Convert to fraction form
    763,598.03/1,145,544.35 = 290,246.37/x
  3. Step 3: Cross multiply
    763,598.03x = 1,145,544.35 × 290,246.37
  4. Step 4: Simplify right side
    763,598.03x = 332,490,087,810.28
  5. Step 5: Solve for x
    x = 332,490,087,810.28/763,598.03
  6. Step 6: Final answer
    x = 435,425.55

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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.