Home / 886,389.70-1,330,568.70-549,810.40

Finding the Fourth Proportional to 886,389.70, 1,330,568.70 and 549,810.40

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Solution

The fourth proportional to 886,389.70, 1,330,568.70 and 549,810.40 is: 825,326.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,389.70 : 1,330,568.70 = 549,810.40 : x
  2. Step 2: Convert to fraction form
    886,389.70/1,330,568.70 = 549,810.40/x
  3. Step 3: Cross multiply
    886,389.70x = 1,330,568.70 × 549,810.40
  4. Step 4: Simplify right side
    886,389.70x = 731,560,509,174.48
  5. Step 5: Solve for x
    x = 731,560,509,174.48/886,389.70
  6. Step 6: Final answer
    x = 825,326.05

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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.