Home / 727,485.48-1,003,980.42-441,017.64

Finding the Fourth Proportional to 727,485.48, 1,003,980.42 and 441,017.64

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Solution

The fourth proportional to 727,485.48, 1,003,980.42 and 441,017.64 is: 608,634.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,485.48 : 1,003,980.42 = 441,017.64 : x
  2. Step 2: Convert to fraction form
    727,485.48/1,003,980.42 = 441,017.64/x
  3. Step 3: Cross multiply
    727,485.48x = 1,003,980.42 × 441,017.64
  4. Step 4: Simplify right side
    727,485.48x = 442,773,075,434.61
  5. Step 5: Solve for x
    x = 442,773,075,434.61/727,485.48
  6. Step 6: Final answer
    x = 608,634.93

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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.