Home / 691,466.61-1,036,526.37-312,482.73

Finding the Fourth Proportional to 691,466.61, 1,036,526.37 and 312,482.73

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Solution

The fourth proportional to 691,466.61, 1,036,526.37 and 312,482.73 is: 468,419.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,466.61 : 1,036,526.37 = 312,482.73 : x
  2. Step 2: Convert to fraction form
    691,466.61/1,036,526.37 = 312,482.73/x
  3. Step 3: Cross multiply
    691,466.61x = 1,036,526.37 × 312,482.73
  4. Step 4: Simplify right side
    691,466.61x = 323,896,589,814.59
  5. Step 5: Solve for x
    x = 323,896,589,814.59/691,466.61
  6. Step 6: Final answer
    x = 468,419.71

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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.