Home / 729,296.59-1,006,530.74-407,027.45

Finding the Fourth Proportional to 729,296.59, 1,006,530.74 and 407,027.45

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Solution

The fourth proportional to 729,296.59, 1,006,530.74 and 407,027.45 is: 561,754.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,296.59 : 1,006,530.74 = 407,027.45 : x
  2. Step 2: Convert to fraction form
    729,296.59/1,006,530.74 = 407,027.45/x
  3. Step 3: Cross multiply
    729,296.59x = 1,006,530.74 × 407,027.45
  4. Step 4: Simplify right side
    729,296.59x = 409,685,640,448.81
  5. Step 5: Solve for x
    x = 409,685,640,448.81/729,296.59
  6. Step 6: Final answer
    x = 561,754.50

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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.