Home / 877,949.23-1,315,907.28-403,639.15

Finding the Fourth Proportional to 877,949.23, 1,315,907.28 and 403,639.15

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Solution

The fourth proportional to 877,949.23, 1,315,907.28 and 403,639.15 is: 604,991.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,949.23 : 1,315,907.28 = 403,639.15 : x
  2. Step 2: Convert to fraction form
    877,949.23/1,315,907.28 = 403,639.15/x
  3. Step 3: Cross multiply
    877,949.23x = 1,315,907.28 × 403,639.15
  4. Step 4: Simplify right side
    877,949.23x = 531,151,695,978.01
  5. Step 5: Solve for x
    x = 531,151,695,978.01/877,949.23
  6. Step 6: Final answer
    x = 604,991.36

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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.