Home / 579,629.40-869,444.10-264,701.40

Finding the Fourth Proportional to 579,629.40, 869,444.10 and 264,701.40

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Solution

The fourth proportional to 579,629.40, 869,444.10 and 264,701.40 is: 397,052.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,629.40 : 869,444.10 = 264,701.40 : x
  2. Step 2: Convert to fraction form
    579,629.40/869,444.10 = 264,701.40/x
  3. Step 3: Cross multiply
    579,629.40x = 869,444.10 × 264,701.40
  4. Step 4: Simplify right side
    579,629.40x = 230,143,070,491.74
  5. Step 5: Solve for x
    x = 230,143,070,491.74/579,629.40
  6. Step 6: Final answer
    x = 397,052.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.