Home / 877,555.35-1,316,333.03-405,163.35

Finding the Fourth Proportional to 877,555.35, 1,316,333.03 and 405,163.35

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Solution

The fourth proportional to 877,555.35, 1,316,333.03 and 405,163.35 is: 607,745.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,555.35 : 1,316,333.03 = 405,163.35 : x
  2. Step 2: Convert to fraction form
    877,555.35/1,316,333.03 = 405,163.35/x
  3. Step 3: Cross multiply
    877,555.35x = 1,316,333.03 × 405,163.35
  4. Step 4: Simplify right side
    877,555.35x = 533,329,898,124.63
  5. Step 5: Solve for x
    x = 533,329,898,124.63/877,555.35
  6. Step 6: Final answer
    x = 607,745.03

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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.