Home / 649,264.40-973,896.60-369,328.40

Finding the Fourth Proportional to 649,264.40, 973,896.60 and 369,328.40

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Solution

The fourth proportional to 649,264.40, 973,896.60 and 369,328.40 is: 553,992.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,264.40 : 973,896.60 = 369,328.40 : x
  2. Step 2: Convert to fraction form
    649,264.40/973,896.60 = 369,328.40/x
  3. Step 3: Cross multiply
    649,264.40x = 973,896.60 × 369,328.40
  4. Step 4: Simplify right side
    649,264.40x = 359,687,673,043.44
  5. Step 5: Solve for x
    x = 359,687,673,043.44/649,264.40
  6. Step 6: Final answer
    x = 553,992.60

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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.