Home / 877,950.23-1,315,908.78-403,640.15

Finding the Fourth Proportional to 877,950.23, 1,315,908.78 and 403,640.15

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Solution

The fourth proportional to 877,950.23, 1,315,908.78 and 403,640.15 is: 604,992.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,950.23 : 1,315,908.78 = 403,640.15 : x
  2. Step 2: Convert to fraction form
    877,950.23/1,315,908.78 = 403,640.15/x
  3. Step 3: Cross multiply
    877,950.23x = 1,315,908.78 × 403,640.15
  4. Step 4: Simplify right side
    877,950.23x = 531,153,617,345.52
  5. Step 5: Solve for x
    x = 531,153,617,345.52/877,950.23
  6. Step 6: Final answer
    x = 604,992.86

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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.