Home / 989,024.04-1,364,268.42-631,328.04

Finding the Fourth Proportional to 989,024.04, 1,364,268.42 and 631,328.04

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Solution

The fourth proportional to 989,024.04, 1,364,268.42 and 631,328.04 is: 870,859.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,024.04 : 1,364,268.42 = 631,328.04 : x
  2. Step 2: Convert to fraction form
    989,024.04/1,364,268.42 = 631,328.04/x
  3. Step 3: Cross multiply
    989,024.04x = 1,364,268.42 × 631,328.04
  4. Step 4: Simplify right side
    989,024.04x = 861,300,907,632.50
  5. Step 5: Solve for x
    x = 861,300,907,632.50/989,024.04
  6. Step 6: Final answer
    x = 870,859.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.