Home / 673,528.50-1,009,756.26-388,896.29

Finding the Fourth Proportional to 673,528.50, 1,009,756.26 and 388,896.29

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Solution

The fourth proportional to 673,528.50, 1,009,756.26 and 388,896.29 is: 583,034.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,528.50 : 1,009,756.26 = 388,896.29 : x
  2. Step 2: Convert to fraction form
    673,528.50/1,009,756.26 = 388,896.29/x
  3. Step 3: Cross multiply
    673,528.50x = 1,009,756.26 × 388,896.29
  4. Step 4: Simplify right side
    673,528.50x = 392,690,462,056.08
  5. Step 5: Solve for x
    x = 392,690,462,056.08/673,528.50
  6. Step 6: Final answer
    x = 583,034.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.