Home / 987,387.42-1,362,586.86-534,678.42

Finding the Fourth Proportional to 987,387.42, 1,362,586.86 and 534,678.42

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Solution

The fourth proportional to 987,387.42, 1,362,586.86 and 534,678.42 is: 737,852.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,387.42 : 1,362,586.86 = 534,678.42 : x
  2. Step 2: Convert to fraction form
    987,387.42/1,362,586.86 = 534,678.42/x
  3. Step 3: Cross multiply
    987,387.42x = 1,362,586.86 × 534,678.42
  4. Step 4: Simplify right side
    987,387.42x = 728,545,789,417.56
  5. Step 5: Solve for x
    x = 728,545,789,417.56/987,387.42
  6. Step 6: Final answer
    x = 737,852.01

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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.