Home / 727,298.18-1,003,803.80-421,570.16

Finding the Fourth Proportional to 727,298.18, 1,003,803.80 and 421,570.16

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Solution

The fourth proportional to 727,298.18, 1,003,803.80 and 421,570.16 is: 581,843.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,298.18 : 1,003,803.80 = 421,570.16 : x
  2. Step 2: Convert to fraction form
    727,298.18/1,003,803.80 = 421,570.16/x
  3. Step 3: Cross multiply
    727,298.18x = 1,003,803.80 × 421,570.16
  4. Step 4: Simplify right side
    727,298.18x = 423,173,721,447.74
  5. Step 5: Solve for x
    x = 423,173,721,447.74/727,298.18
  6. Step 6: Final answer
    x = 581,843.51

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