Home / 868,088.53-1,300,558.06-640,946.71

Finding the Fourth Proportional to 868,088.53, 1,300,558.06 and 640,946.71

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Solution

The fourth proportional to 868,088.53, 1,300,558.06 and 640,946.71 is: 960,257.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,088.53 : 1,300,558.06 = 640,946.71 : x
  2. Step 2: Convert to fraction form
    868,088.53/1,300,558.06 = 640,946.71/x
  3. Step 3: Cross multiply
    868,088.53x = 1,300,558.06 × 640,946.71
  4. Step 4: Simplify right side
    868,088.53x = 833,588,409,720.98
  5. Step 5: Solve for x
    x = 833,588,409,720.98/868,088.53
  6. Step 6: Final answer
    x = 960,257.37

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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.