Home / 851,160.41-1,174,542.65-478,679.03

Finding the Fourth Proportional to 851,160.41, 1,174,542.65 and 478,679.03

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Solution

The fourth proportional to 851,160.41, 1,174,542.65 and 478,679.03 is: 660,544.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,160.41 : 1,174,542.65 = 478,679.03 : x
  2. Step 2: Convert to fraction form
    851,160.41/1,174,542.65 = 478,679.03/x
  3. Step 3: Cross multiply
    851,160.41x = 1,174,542.65 × 478,679.03
  4. Step 4: Simplify right side
    851,160.41x = 562,228,934,329.10
  5. Step 5: Solve for x
    x = 562,228,934,329.10/851,160.41
  6. Step 6: Final answer
    x = 660,544.04

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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.