Home / 913,322.40-1,369,983.60-493,418.40

Finding the Fourth Proportional to 913,322.40, 1,369,983.60 and 493,418.40

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Solution

The fourth proportional to 913,322.40, 1,369,983.60 and 493,418.40 is: 740,127.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,322.40 : 1,369,983.60 = 493,418.40 : x
  2. Step 2: Convert to fraction form
    913,322.40/1,369,983.60 = 493,418.40/x
  3. Step 3: Cross multiply
    913,322.40x = 1,369,983.60 × 493,418.40
  4. Step 4: Simplify right side
    913,322.40x = 675,975,115,938.24
  5. Step 5: Solve for x
    x = 675,975,115,938.24/913,322.40
  6. Step 6: Final answer
    x = 740,127.60

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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.