Home / 848,131.75-1,272,828.31-342,697.12

Finding the Fourth Proportional to 848,131.75, 1,272,828.31 and 342,697.12

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Solution

The fourth proportional to 848,131.75, 1,272,828.31 and 342,697.12 is: 514,300.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,131.75 : 1,272,828.31 = 342,697.12 : x
  2. Step 2: Convert to fraction form
    848,131.75/1,272,828.31 = 342,697.12/x
  3. Step 3: Cross multiply
    848,131.75x = 1,272,828.31 × 342,697.12
  4. Step 4: Simplify right side
    848,131.75x = 436,194,596,091.47
  5. Step 5: Solve for x
    x = 436,194,596,091.47/848,131.75
  6. Step 6: Final answer
    x = 514,300.52

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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.