Home / 643,134.72-960,018.04-595,701.12

Finding the Fourth Proportional to 643,134.72, 960,018.04 and 595,701.12

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Solution

The fourth proportional to 643,134.72, 960,018.04 and 595,701.12 is: 889,213.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,134.72 : 960,018.04 = 595,701.12 : x
  2. Step 2: Convert to fraction form
    643,134.72/960,018.04 = 595,701.12/x
  3. Step 3: Cross multiply
    643,134.72x = 960,018.04 × 595,701.12
  4. Step 4: Simplify right side
    643,134.72x = 571,883,821,648.21
  5. Step 5: Solve for x
    x = 571,883,821,648.21/643,134.72
  6. Step 6: Final answer
    x = 889,213.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.