Home / 851,210.64-1,174,674.24-469,229.04

Finding the Fourth Proportional to 851,210.64, 1,174,674.24 and 469,229.04

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Solution

The fourth proportional to 851,210.64, 1,174,674.24 and 469,229.04 is: 647,538.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,210.64 : 1,174,674.24 = 469,229.04 : x
  2. Step 2: Convert to fraction form
    851,210.64/1,174,674.24 = 469,229.04/x
  3. Step 3: Cross multiply
    851,210.64x = 1,174,674.24 × 469,229.04
  4. Step 4: Simplify right side
    851,210.64x = 551,191,265,947.93
  5. Step 5: Solve for x
    x = 551,191,265,947.93/851,210.64
  6. Step 6: Final answer
    x = 647,538.04

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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.