Home / 759,200.08-1,047,655.20-419,648.08

Finding the Fourth Proportional to 759,200.08, 1,047,655.20 and 419,648.08

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Solution

The fourth proportional to 759,200.08, 1,047,655.20 and 419,648.08 is: 579,091.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,200.08 : 1,047,655.20 = 419,648.08 : x
  2. Step 2: Convert to fraction form
    759,200.08/1,047,655.20 = 419,648.08/x
  3. Step 3: Cross multiply
    759,200.08x = 1,047,655.20 × 419,648.08
  4. Step 4: Simplify right side
    759,200.08x = 439,646,493,182.02
  5. Step 5: Solve for x
    x = 439,646,493,182.02/759,200.08
  6. Step 6: Final answer
    x = 579,091.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.