Home / 848,560.25-1,271,999.59-398,475.43

Finding the Fourth Proportional to 848,560.25, 1,271,999.59 and 398,475.43

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Solution

The fourth proportional to 848,560.25, 1,271,999.59 and 398,475.43 is: 597,318.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,560.25 : 1,271,999.59 = 398,475.43 : x
  2. Step 2: Convert to fraction form
    848,560.25/1,271,999.59 = 398,475.43/x
  3. Step 3: Cross multiply
    848,560.25x = 1,271,999.59 × 398,475.43
  4. Step 4: Simplify right side
    848,560.25x = 506,860,583,585.07
  5. Step 5: Solve for x
    x = 506,860,583,585.07/848,560.25
  6. Step 6: Final answer
    x = 597,318.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.