Home / 730,889.06-1,008,634.07-408,616.79

Finding the Fourth Proportional to 730,889.06, 1,008,634.07 and 408,616.79

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Solution

The fourth proportional to 730,889.06, 1,008,634.07 and 408,616.79 is: 563,895.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,889.06 : 1,008,634.07 = 408,616.79 : x
  2. Step 2: Convert to fraction form
    730,889.06/1,008,634.07 = 408,616.79/x
  3. Step 3: Cross multiply
    730,889.06x = 1,008,634.07 × 408,616.79
  4. Step 4: Simplify right side
    730,889.06x = 412,144,811,946.41
  5. Step 5: Solve for x
    x = 412,144,811,946.41/730,889.06
  6. Step 6: Final answer
    x = 563,895.18

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1.5x scale

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.