Home / 977,733.72-1,466,607.06-378,761.40

Finding the Fourth Proportional to 977,733.72, 1,466,607.06 and 378,761.40

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Solution

The fourth proportional to 977,733.72, 1,466,607.06 and 378,761.40 is: 568,144.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,733.72 : 1,466,607.06 = 378,761.40 : x
  2. Step 2: Convert to fraction form
    977,733.72/1,466,607.06 = 378,761.40/x
  3. Step 3: Cross multiply
    977,733.72x = 1,466,607.06 × 378,761.40
  4. Step 4: Simplify right side
    977,733.72x = 555,494,143,295.48
  5. Step 5: Solve for x
    x = 555,494,143,295.48/977,733.72
  6. Step 6: Final answer
    x = 568,144.61

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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.