Home / 846,720.42-1,168,473.72-479,190.89

Finding the Fourth Proportional to 846,720.42, 1,168,473.72 and 479,190.89

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Solution

The fourth proportional to 846,720.42, 1,168,473.72 and 479,190.89 is: 661,283.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,720.42 : 1,168,473.72 = 479,190.89 : x
  2. Step 2: Convert to fraction form
    846,720.42/1,168,473.72 = 479,190.89/x
  3. Step 3: Cross multiply
    846,720.42x = 1,168,473.72 × 479,190.89
  4. Step 4: Simplify right side
    846,720.42x = 559,921,957,278.45
  5. Step 5: Solve for x
    x = 559,921,957,278.45/846,720.42
  6. Step 6: Final answer
    x = 661,283.16

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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.