Home / 948,479.52-1,308,927.60-518,784.96

Finding the Fourth Proportional to 948,479.52, 1,308,927.60 and 518,784.96

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Solution

The fourth proportional to 948,479.52, 1,308,927.60 and 518,784.96 is: 715,937.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,479.52 : 1,308,927.60 = 518,784.96 : x
  2. Step 2: Convert to fraction form
    948,479.52/1,308,927.60 = 518,784.96/x
  3. Step 3: Cross multiply
    948,479.52x = 1,308,927.60 × 518,784.96
  4. Step 4: Simplify right side
    948,479.52x = 679,051,952,608.90
  5. Step 5: Solve for x
    x = 679,051,952,608.90/948,479.52
  6. Step 6: Final answer
    x = 715,937.39

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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.