Home / 948,445.59-1,308,838.46-518,716.29

Finding the Fourth Proportional to 948,445.59, 1,308,838.46 and 518,716.29

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Solution

The fourth proportional to 948,445.59, 1,308,838.46 and 518,716.29 is: 715,819.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,445.59 : 1,308,838.46 = 518,716.29 : x
  2. Step 2: Convert to fraction form
    948,445.59/1,308,838.46 = 518,716.29/x
  3. Step 3: Cross multiply
    948,445.59x = 1,308,838.46 × 518,716.29
  4. Step 4: Simplify right side
    948,445.59x = 678,915,827,586.93
  5. Step 5: Solve for x
    x = 678,915,827,586.93/948,445.59
  6. Step 6: Final answer
    x = 715,819.48

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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.