Home / 987,529.03-1,362,790.05-534,820.03

Finding the Fourth Proportional to 987,529.03, 1,362,790.05 and 534,820.03

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Solution

The fourth proportional to 987,529.03, 1,362,790.05 and 534,820.03 is: 738,051.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,529.03 : 1,362,790.05 = 534,820.03 : x
  2. Step 2: Convert to fraction form
    987,529.03/1,362,790.05 = 534,820.03/x
  3. Step 3: Cross multiply
    987,529.03x = 1,362,790.05 × 534,820.03
  4. Step 4: Simplify right side
    987,529.03x = 728,847,409,947.80
  5. Step 5: Solve for x
    x = 728,847,409,947.80/987,529.03
  6. Step 6: Final answer
    x = 738,051.63

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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.