Home / 763,868.88-1,146,503.48-409,283.28

Finding the Fourth Proportional to 763,868.88, 1,146,503.48 and 409,283.28

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Solution

The fourth proportional to 763,868.88, 1,146,503.48 and 409,283.28 is: 614,300.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,868.88 : 1,146,503.48 = 409,283.28 : x
  2. Step 2: Convert to fraction form
    763,868.88/1,146,503.48 = 409,283.28/x
  3. Step 3: Cross multiply
    763,868.88x = 1,146,503.48 × 409,283.28
  4. Step 4: Simplify right side
    763,868.88x = 469,244,704,825.81
  5. Step 5: Solve for x
    x = 469,244,704,825.81/763,868.88
  6. Step 6: Final answer
    x = 614,300.07

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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.