Home / 913,627.24-1,369,967.78-487,048.49

Finding the Fourth Proportional to 913,627.24, 1,369,967.78 and 487,048.49

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Solution

The fourth proportional to 913,627.24, 1,369,967.78 and 487,048.49 is: 730,320.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,627.24 : 1,369,967.78 = 487,048.49 : x
  2. Step 2: Convert to fraction form
    913,627.24/1,369,967.78 = 487,048.49/x
  3. Step 3: Cross multiply
    913,627.24x = 1,369,967.78 × 487,048.49
  4. Step 4: Simplify right side
    913,627.24x = 667,240,737,139.55
  5. Step 5: Solve for x
    x = 667,240,737,139.55/913,627.24
  6. Step 6: Final answer
    x = 730,320.54

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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.