Home / 948,043.98-1,308,301.13-518,327.64

Finding the Fourth Proportional to 948,043.98, 1,308,301.13 and 518,327.64

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Solution

The fourth proportional to 948,043.98, 1,308,301.13 and 518,327.64 is: 715,292.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,043.98 : 1,308,301.13 = 518,327.64 : x
  2. Step 2: Convert to fraction form
    948,043.98/1,308,301.13 = 518,327.64/x
  3. Step 3: Cross multiply
    948,043.98x = 1,308,301.13 × 518,327.64
  4. Step 4: Simplify right side
    948,043.98x = 678,128,638,418.05
  5. Step 5: Solve for x
    x = 678,128,638,418.05/948,043.98
  6. Step 6: Final answer
    x = 715,292.38

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Double scale
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1.5x scale

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.