Home / 500,029.31-690,042.27-270,586.58

Finding the Fourth Proportional to 500,029.31, 690,042.27 and 270,586.58

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Solution

The fourth proportional to 500,029.31, 690,042.27 and 270,586.58 is: 373,410.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,029.31 : 690,042.27 = 270,586.58 : x
  2. Step 2: Convert to fraction form
    500,029.31/690,042.27 = 270,586.58/x
  3. Step 3: Cross multiply
    500,029.31x = 690,042.27 × 270,586.58
  4. Step 4: Simplify right side
    500,029.31x = 186,716,174,444.53
  5. Step 5: Solve for x
    x = 186,716,174,444.53/500,029.31
  6. Step 6: Final answer
    x = 373,410.46

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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.