Home / 977,493.76-1,465,331.76-378,845.44

Finding the Fourth Proportional to 977,493.76, 1,465,331.76 and 378,845.44

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Solution

The fourth proportional to 977,493.76, 1,465,331.76 and 378,845.44 is: 567,915.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,493.76 : 1,465,331.76 = 378,845.44 : x
  2. Step 2: Convert to fraction form
    977,493.76/1,465,331.76 = 378,845.44/x
  3. Step 3: Cross multiply
    977,493.76x = 1,465,331.76 × 378,845.44
  4. Step 4: Simplify right side
    977,493.76x = 555,134,255,363.17
  5. Step 5: Solve for x
    x = 555,134,255,363.17/977,493.76
  6. Step 6: Final answer
    x = 567,915.91

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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.