Home / 949,981.48-1,310,976.42-514,403.56

Finding the Fourth Proportional to 949,981.48, 1,310,976.42 and 514,403.56

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Solution

The fourth proportional to 949,981.48, 1,310,976.42 and 514,403.56 is: 709,877.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,981.48 : 1,310,976.42 = 514,403.56 : x
  2. Step 2: Convert to fraction form
    949,981.48/1,310,976.42 = 514,403.56/x
  3. Step 3: Cross multiply
    949,981.48x = 1,310,976.42 × 514,403.56
  4. Step 4: Simplify right side
    949,981.48x = 674,370,937,524.06
  5. Step 5: Solve for x
    x = 674,370,937,524.06/949,981.48
  6. Step 6: Final answer
    x = 709,877.98

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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.