Home / 489,837.40-734,583.30-223,725.40

Finding the Fourth Proportional to 489,837.40, 734,583.30 and 223,725.40

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Solution

The fourth proportional to 489,837.40, 734,583.30 and 223,725.40 is: 335,509.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,837.40 : 734,583.30 = 223,725.40 : x
  2. Step 2: Convert to fraction form
    489,837.40/734,583.30 = 223,725.40/x
  3. Step 3: Cross multiply
    489,837.40x = 734,583.30 × 223,725.40
  4. Step 4: Simplify right side
    489,837.40x = 164,344,942,625.82
  5. Step 5: Solve for x
    x = 164,344,942,625.82/489,837.40
  6. Step 6: Final answer
    x = 335,509.18

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1.5x scale

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.