Home / 874,618.80-1,312,511.40-401,060.40

Finding the Fourth Proportional to 874,618.80, 1,312,511.40 and 401,060.40

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Solution

The fourth proportional to 874,618.80, 1,312,511.40 and 401,060.40 is: 601,858.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,618.80 : 1,312,511.40 = 401,060.40 : x
  2. Step 2: Convert to fraction form
    874,618.80/1,312,511.40 = 401,060.40/x
  3. Step 3: Cross multiply
    874,618.80x = 1,312,511.40 × 401,060.40
  4. Step 4: Simplify right side
    874,618.80x = 526,396,347,088.56
  5. Step 5: Solve for x
    x = 526,396,347,088.56/874,618.80
  6. Step 6: Final answer
    x = 601,858.03

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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.