Home / 637,084.28-879,158.64-361,492.31

Finding the Fourth Proportional to 637,084.28, 879,158.64 and 361,492.31

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Solution

The fourth proportional to 637,084.28, 879,158.64 and 361,492.31 is: 498,849.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,084.28 : 879,158.64 = 361,492.31 : x
  2. Step 2: Convert to fraction form
    637,084.28/879,158.64 = 361,492.31/x
  3. Step 3: Cross multiply
    637,084.28x = 879,158.64 × 361,492.31
  4. Step 4: Simplify right side
    637,084.28x = 317,809,087,630.06
  5. Step 5: Solve for x
    x = 317,809,087,630.06/637,084.28
  6. Step 6: Final answer
    x = 498,849.36

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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.