Home / 753,586.48-1,039,961.15-409,429.23

Finding the Fourth Proportional to 753,586.48, 1,039,961.15 and 409,429.23

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Solution

The fourth proportional to 753,586.48, 1,039,961.15 and 409,429.23 is: 565,018.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,586.48 : 1,039,961.15 = 409,429.23 : x
  2. Step 2: Convert to fraction form
    753,586.48/1,039,961.15 = 409,429.23/x
  3. Step 3: Cross multiply
    753,586.48x = 1,039,961.15 × 409,429.23
  4. Step 4: Simplify right side
    753,586.48x = 425,790,488,462.77
  5. Step 5: Solve for x
    x = 425,790,488,462.77/753,586.48
  6. Step 6: Final answer
    x = 565,018.75

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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.