Home / 579,701.12-799,304.64-536,708.48

Finding the Fourth Proportional to 579,701.12, 799,304.64 and 536,708.48

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Solution

The fourth proportional to 579,701.12, 799,304.64 and 536,708.48 is: 740,025.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,701.12 : 799,304.64 = 536,708.48 : x
  2. Step 2: Convert to fraction form
    579,701.12/799,304.64 = 536,708.48/x
  3. Step 3: Cross multiply
    579,701.12x = 799,304.64 × 536,708.48
  4. Step 4: Simplify right side
    579,701.12x = 428,993,578,391.35
  5. Step 5: Solve for x
    x = 428,993,578,391.35/579,701.12
  6. Step 6: Final answer
    x = 740,025.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.