Home / 691,107.10-1,036,660.65-651,741.10

Finding the Fourth Proportional to 691,107.10, 1,036,660.65 and 651,741.10

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Solution

The fourth proportional to 691,107.10, 1,036,660.65 and 651,741.10 is: 977,611.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,107.10 : 1,036,660.65 = 651,741.10 : x
  2. Step 2: Convert to fraction form
    691,107.10/1,036,660.65 = 651,741.10/x
  3. Step 3: Cross multiply
    691,107.10x = 1,036,660.65 × 651,741.10
  4. Step 4: Simplify right side
    691,107.10x = 675,634,352,357.72
  5. Step 5: Solve for x
    x = 675,634,352,357.72/691,107.10
  6. Step 6: Final answer
    x = 977,611.65

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Similar ratio
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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.