Home / 850,834.71-1,276,247.48-490,772.18

Finding the Fourth Proportional to 850,834.71, 1,276,247.48 and 490,772.18

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Solution

The fourth proportional to 850,834.71, 1,276,247.48 and 490,772.18 is: 736,155.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,834.71 : 1,276,247.48 = 490,772.18 : x
  2. Step 2: Convert to fraction form
    850,834.71/1,276,247.48 = 490,772.18/x
  3. Step 3: Cross multiply
    850,834.71x = 1,276,247.48 × 490,772.18
  4. Step 4: Simplify right side
    850,834.71x = 626,346,758,715.86
  5. Step 5: Solve for x
    x = 626,346,758,715.86/850,834.71
  6. Step 6: Final answer
    x = 736,155.63

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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.