Home / 722,995.47-1,083,427.55-402,706.43

Finding the Fourth Proportional to 722,995.47, 1,083,427.55 and 402,706.43

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Solution

The fourth proportional to 722,995.47, 1,083,427.55 and 402,706.43 is: 603,466.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,995.47 : 1,083,427.55 = 402,706.43 : x
  2. Step 2: Convert to fraction form
    722,995.47/1,083,427.55 = 402,706.43/x
  3. Step 3: Cross multiply
    722,995.47x = 1,083,427.55 × 402,706.43
  4. Step 4: Simplify right side
    722,995.47x = 436,303,233,393.48
  5. Step 5: Solve for x
    x = 436,303,233,393.48/722,995.47
  6. Step 6: Final answer
    x = 603,466.07

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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.