Home / 848,278.80-1,272,029.40-374,720.40

Finding the Fourth Proportional to 848,278.80, 1,272,029.40 and 374,720.40

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Solution

The fourth proportional to 848,278.80, 1,272,029.40 and 374,720.40 is: 561,908.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,278.80 : 1,272,029.40 = 374,720.40 : x
  2. Step 2: Convert to fraction form
    848,278.80/1,272,029.40 = 374,720.40/x
  3. Step 3: Cross multiply
    848,278.80x = 1,272,029.40 × 374,720.40
  4. Step 4: Simplify right side
    848,278.80x = 476,655,365,579.76
  5. Step 5: Solve for x
    x = 476,655,365,579.76/848,278.80
  6. Step 6: Final answer
    x = 561,908.85

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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.