Home / 672,723.36-1,007,070.12-648,797.40

Finding the Fourth Proportional to 672,723.36, 1,007,070.12 and 648,797.40

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Solution

The fourth proportional to 672,723.36, 1,007,070.12 and 648,797.40 is: 971,252.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,723.36 : 1,007,070.12 = 648,797.40 : x
  2. Step 2: Convert to fraction form
    672,723.36/1,007,070.12 = 648,797.40/x
  3. Step 3: Cross multiply
    672,723.36x = 1,007,070.12 × 648,797.40
  4. Step 4: Simplify right side
    672,723.36x = 653,384,475,473.69
  5. Step 5: Solve for x
    x = 653,384,475,473.69/672,723.36
  6. Step 6: Final answer
    x = 971,252.84

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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.