Home / 877,939.48-1,315,892.67-403,629.40

Finding the Fourth Proportional to 877,939.48, 1,315,892.67 and 403,629.40

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Solution

The fourth proportional to 877,939.48, 1,315,892.67 and 403,629.40 is: 604,976.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,939.48 : 1,315,892.67 = 403,629.40 : x
  2. Step 2: Convert to fraction form
    877,939.48/1,315,892.67 = 403,629.40/x
  3. Step 3: Cross multiply
    877,939.48x = 1,315,892.67 × 403,629.40
  4. Step 4: Simplify right side
    877,939.48x = 531,132,968,856.50
  5. Step 5: Solve for x
    x = 531,132,968,856.50/877,939.48
  6. Step 6: Final answer
    x = 604,976.74

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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.