Home / 977,757.72-1,466,643.12-378,785.40

Finding the Fourth Proportional to 977,757.72, 1,466,643.12 and 378,785.40

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Solution

The fourth proportional to 977,757.72, 1,466,643.12 and 378,785.40 is: 568,180.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,757.72 : 1,466,643.12 = 378,785.40 : x
  2. Step 2: Convert to fraction form
    977,757.72/1,466,643.12 = 378,785.40/x
  3. Step 3: Cross multiply
    977,757.72x = 1,466,643.12 × 378,785.40
  4. Step 4: Simplify right side
    977,757.72x = 555,543,000,866.45
  5. Step 5: Solve for x
    x = 555,543,000,866.45/977,757.72
  6. Step 6: Final answer
    x = 568,180.63

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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.