Home / 649,822.08-896,694.29-359,427.40

Finding the Fourth Proportional to 649,822.08, 896,694.29 and 359,427.40

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Solution

The fourth proportional to 649,822.08, 896,694.29 and 359,427.40 is: 495,976.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,822.08 : 896,694.29 = 359,427.40 : x
  2. Step 2: Convert to fraction form
    649,822.08/896,694.29 = 359,427.40/x
  3. Step 3: Cross multiply
    649,822.08x = 896,694.29 × 359,427.40
  4. Step 4: Simplify right side
    649,822.08x = 322,296,492,766.08
  5. Step 5: Solve for x
    x = 322,296,492,766.08/649,822.08
  6. Step 6: Final answer
    x = 495,976.52

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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.