Home / 730,881.35-1,008,638.48-408,605.03

Finding the Fourth Proportional to 730,881.35, 1,008,638.48 and 408,605.03

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Solution

The fourth proportional to 730,881.35, 1,008,638.48 and 408,605.03 is: 563,887.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,881.35 : 1,008,638.48 = 408,605.03 : x
  2. Step 2: Convert to fraction form
    730,881.35/1,008,638.48 = 408,605.03/x
  3. Step 3: Cross multiply
    730,881.35x = 1,008,638.48 × 408,605.03
  4. Step 4: Simplify right side
    730,881.35x = 412,134,752,357.88
  5. Step 5: Solve for x
    x = 412,134,752,357.88/730,881.35
  6. Step 6: Final answer
    x = 563,887.36

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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.