Home / 977,441-1,465,701.40-378,682.52

Finding the Fourth Proportional to 977,441, 1,465,701.40 and 378,682.52

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Solution

The fourth proportional to 977,441, 1,465,701.40 and 378,682.52 is: 567,845.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,441 : 1,465,701.40 = 378,682.52 : x
  2. Step 2: Convert to fraction form
    977,441/1,465,701.40 = 378,682.52/x
  3. Step 3: Cross multiply
    977,441x = 1,465,701.40 × 378,682.52
  4. Step 4: Simplify right side
    977,441x = 555,035,499,719.53
  5. Step 5: Solve for x
    x = 555,035,499,719.53/977,441
  6. Step 6: Final answer
    x = 567,845.53

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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.