Home / 970,494.43-1,339,264.37-528,972.81

Finding the Fourth Proportional to 970,494.43, 1,339,264.37 and 528,972.81

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Solution

The fourth proportional to 970,494.43, 1,339,264.37 and 528,972.81 is: 729,972.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,494.43 : 1,339,264.37 = 528,972.81 : x
  2. Step 2: Convert to fraction form
    970,494.43/1,339,264.37 = 528,972.81/x
  3. Step 3: Cross multiply
    970,494.43x = 1,339,264.37 × 528,972.81
  4. Step 4: Simplify right side
    970,494.43x = 708,434,437,131.78
  5. Step 5: Solve for x
    x = 708,434,437,131.78/970,494.43
  6. Step 6: Final answer
    x = 729,972.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.