Home / 727,185.16-1,003,503.54-425,430.28

Finding the Fourth Proportional to 727,185.16, 1,003,503.54 and 425,430.28

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Solution

The fourth proportional to 727,185.16, 1,003,503.54 and 425,430.28 is: 587,086.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,185.16 : 1,003,503.54 = 425,430.28 : x
  2. Step 2: Convert to fraction form
    727,185.16/1,003,503.54 = 425,430.28/x
  3. Step 3: Cross multiply
    727,185.16x = 1,003,503.54 × 425,430.28
  4. Step 4: Simplify right side
    727,185.16x = 426,920,792,003.19
  5. Step 5: Solve for x
    x = 426,920,792,003.19/727,185.16
  6. Step 6: Final answer
    x = 587,086.78

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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.