Home / 949,928-1,310,884.72-514,341.60

Finding the Fourth Proportional to 949,928, 1,310,884.72 and 514,341.60

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Solution

The fourth proportional to 949,928, 1,310,884.72 and 514,341.60 is: 709,782.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,928 : 1,310,884.72 = 514,341.60 : x
  2. Step 2: Convert to fraction form
    949,928/1,310,884.72 = 514,341.60/x
  3. Step 3: Cross multiply
    949,928x = 1,310,884.72 × 514,341.60
  4. Step 4: Simplify right side
    949,928x = 674,242,544,300.35
  5. Step 5: Solve for x
    x = 674,242,544,300.35/949,928
  6. Step 6: Final answer
    x = 709,782.79

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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.