Home / 848,130.75-1,272,826.81-342,696.12

Finding the Fourth Proportional to 848,130.75, 1,272,826.81 and 342,696.12

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Solution

The fourth proportional to 848,130.75, 1,272,826.81 and 342,696.12 is: 514,299.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,130.75 : 1,272,826.81 = 342,696.12 : x
  2. Step 2: Convert to fraction form
    848,130.75/1,272,826.81 = 342,696.12/x
  3. Step 3: Cross multiply
    848,130.75x = 1,272,826.81 × 342,696.12
  4. Step 4: Simplify right side
    848,130.75x = 436,192,814,649.89
  5. Step 5: Solve for x
    x = 436,192,814,649.89/848,130.75
  6. Step 6: Final answer
    x = 514,299.02

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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.