Home / 977,778.10-1,466,922.30-378,758.80

Finding the Fourth Proportional to 977,778.10, 1,466,922.30 and 378,758.80

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Solution

The fourth proportional to 977,778.10, 1,466,922.30 and 378,758.80 is: 568,237.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,778.10 : 1,466,922.30 = 378,758.80 : x
  2. Step 2: Convert to fraction form
    977,778.10/1,466,922.30 = 378,758.80/x
  3. Step 3: Cross multiply
    977,778.10x = 1,466,922.30 × 378,758.80
  4. Step 4: Simplify right side
    977,778.10x = 555,609,730,041.24
  5. Step 5: Solve for x
    x = 555,609,730,041.24/977,778.10
  6. Step 6: Final answer
    x = 568,237.04

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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.