Home / 948,534.12-1,308,967.56-518,822.64

Finding the Fourth Proportional to 948,534.12, 1,308,967.56 and 518,822.64

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Solution

The fourth proportional to 948,534.12, 1,308,967.56 and 518,822.64 is: 715,970.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,534.12 : 1,308,967.56 = 518,822.64 : x
  2. Step 2: Convert to fraction form
    948,534.12/1,308,967.56 = 518,822.64/x
  3. Step 3: Cross multiply
    948,534.12x = 1,308,967.56 × 518,822.64
  4. Step 4: Simplify right side
    948,534.12x = 679,122,005,153.56
  5. Step 5: Solve for x
    x = 679,122,005,153.56/948,534.12
  6. Step 6: Final answer
    x = 715,970.03

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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.