Home / 879,331.96-1,318,111.80-346,646.80

Finding the Fourth Proportional to 879,331.96, 1,318,111.80 and 346,646.80

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Solution

The fourth proportional to 879,331.96, 1,318,111.80 and 346,646.80 is: 519,620.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,331.96 : 1,318,111.80 = 346,646.80 : x
  2. Step 2: Convert to fraction form
    879,331.96/1,318,111.80 = 346,646.80/x
  3. Step 3: Cross multiply
    879,331.96x = 1,318,111.80 × 346,646.80
  4. Step 4: Simplify right side
    879,331.96x = 456,919,237,512.24
  5. Step 5: Solve for x
    x = 456,919,237,512.24/879,331.96
  6. Step 6: Final answer
    x = 519,620.87

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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.