Home / 975,713.90-1,463,133.45-442,960.70

Finding the Fourth Proportional to 975,713.90, 1,463,133.45 and 442,960.70

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Solution

The fourth proportional to 975,713.90, 1,463,133.45 and 442,960.70 is: 664,242.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,713.90 : 1,463,133.45 = 442,960.70 : x
  2. Step 2: Convert to fraction form
    975,713.90/1,463,133.45 = 442,960.70/x
  3. Step 3: Cross multiply
    975,713.90x = 1,463,133.45 × 442,960.70
  4. Step 4: Simplify right side
    975,713.90x = 648,110,617,205.42
  5. Step 5: Solve for x
    x = 648,110,617,205.42/975,713.90
  6. Step 6: Final answer
    x = 664,242.48

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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.