Home / 977,954.30-1,466,646.86-378,781.82

Finding the Fourth Proportional to 977,954.30, 1,466,646.86 and 378,781.82

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Solution

The fourth proportional to 977,954.30, 1,466,646.86 and 378,781.82 is: 568,062.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,954.30 : 1,466,646.86 = 378,781.82 : x
  2. Step 2: Convert to fraction form
    977,954.30/1,466,646.86 = 378,781.82/x
  3. Step 3: Cross multiply
    977,954.30x = 1,466,646.86 × 378,781.82
  4. Step 4: Simplify right side
    977,954.30x = 555,539,166,928.09
  5. Step 5: Solve for x
    x = 555,539,166,928.09/977,954.30
  6. Step 6: Final answer
    x = 568,062.50

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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.