Home / 720,098.29-1,080,303.13-383,089.96

Finding the Fourth Proportional to 720,098.29, 1,080,303.13 and 383,089.96

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Solution

The fourth proportional to 720,098.29, 1,080,303.13 and 383,089.96 is: 574,717.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,098.29 : 1,080,303.13 = 383,089.96 : x
  2. Step 2: Convert to fraction form
    720,098.29/1,080,303.13 = 383,089.96/x
  3. Step 3: Cross multiply
    720,098.29x = 1,080,303.13 × 383,089.96
  4. Step 4: Simplify right side
    720,098.29x = 413,853,288,804.61
  5. Step 5: Solve for x
    x = 413,853,288,804.61/720,098.29
  6. Step 6: Final answer
    x = 574,717.77

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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.