Home / 921,479.64-1,382,126.03-247,473.35

Finding the Fourth Proportional to 921,479.64, 1,382,126.03 and 247,473.35

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Solution

The fourth proportional to 921,479.64, 1,382,126.03 and 247,473.35 is: 371,184.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,479.64 : 1,382,126.03 = 247,473.35 : x
  2. Step 2: Convert to fraction form
    921,479.64/1,382,126.03 = 247,473.35/x
  3. Step 3: Cross multiply
    921,479.64x = 1,382,126.03 × 247,473.35
  4. Step 4: Simplify right side
    921,479.64x = 342,039,362,008.57
  5. Step 5: Solve for x
    x = 342,039,362,008.57/921,479.64
  6. Step 6: Final answer
    x = 371,184.94

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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.