Home / 987,529.15-1,362,790.23-534,820.15

Finding the Fourth Proportional to 987,529.15, 1,362,790.23 and 534,820.15

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Solution

The fourth proportional to 987,529.15, 1,362,790.23 and 534,820.15 is: 738,051.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,529.15 : 1,362,790.23 = 534,820.15 : x
  2. Step 2: Convert to fraction form
    987,529.15/1,362,790.23 = 534,820.15/x
  3. Step 3: Cross multiply
    987,529.15x = 1,362,790.23 × 534,820.15
  4. Step 4: Simplify right side
    987,529.15x = 728,847,674,925.05
  5. Step 5: Solve for x
    x = 728,847,674,925.05/987,529.15
  6. Step 6: Final answer
    x = 738,051.81

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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.