Home / 987,570.80-1,362,840.92-534,852.72

Finding the Fourth Proportional to 987,570.80, 1,362,840.92 and 534,852.72

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Solution

The fourth proportional to 987,570.80, 1,362,840.92 and 534,852.72 is: 738,093.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,570.80 : 1,362,840.92 = 534,852.72 : x
  2. Step 2: Convert to fraction form
    987,570.80/1,362,840.92 = 534,852.72/x
  3. Step 3: Cross multiply
    987,570.80x = 1,362,840.92 × 534,852.72
  4. Step 4: Simplify right side
    987,570.80x = 728,919,172,989.30
  5. Step 5: Solve for x
    x = 728,919,172,989.30/987,570.80
  6. Step 6: Final answer
    x = 738,093.08

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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.