Home / 989,176.11-1,482,989.04-390,585.33

Finding the Fourth Proportional to 989,176.11, 1,482,989.04 and 390,585.33

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Solution

The fourth proportional to 989,176.11, 1,482,989.04 and 390,585.33 is: 585,571.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,176.11 : 1,482,989.04 = 390,585.33 : x
  2. Step 2: Convert to fraction form
    989,176.11/1,482,989.04 = 390,585.33/x
  3. Step 3: Cross multiply
    989,176.11x = 1,482,989.04 × 390,585.33
  4. Step 4: Simplify right side
    989,176.11x = 579,233,763,574.78
  5. Step 5: Solve for x
    x = 579,233,763,574.78/989,176.11
  6. Step 6: Final answer
    x = 585,571.93

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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.