Home / 730,587.98-1,008,208.04-408,297.90

Finding the Fourth Proportional to 730,587.98, 1,008,208.04 and 408,297.90

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Solution

The fourth proportional to 730,587.98, 1,008,208.04 and 408,297.90 is: 563,449.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,587.98 : 1,008,208.04 = 408,297.90 : x
  2. Step 2: Convert to fraction form
    730,587.98/1,008,208.04 = 408,297.90/x
  3. Step 3: Cross multiply
    730,587.98x = 1,008,208.04 × 408,297.90
  4. Step 4: Simplify right side
    730,587.98x = 411,649,225,495.12
  5. Step 5: Solve for x
    x = 411,649,225,495.12/730,587.98
  6. Step 6: Final answer
    x = 563,449.22

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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.