Home / 845,460.72-1,166,720.76-463,490.64

Finding the Fourth Proportional to 845,460.72, 1,166,720.76 and 463,490.64

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Solution

The fourth proportional to 845,460.72, 1,166,720.76 and 463,490.64 is: 639,608.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,460.72 : 1,166,720.76 = 463,490.64 : x
  2. Step 2: Convert to fraction form
    845,460.72/1,166,720.76 = 463,490.64/x
  3. Step 3: Cross multiply
    845,460.72x = 1,166,720.76 × 463,490.64
  4. Step 4: Simplify right side
    845,460.72x = 540,764,151,753.69
  5. Step 5: Solve for x
    x = 540,764,151,753.69/845,460.72
  6. Step 6: Final answer
    x = 639,608.84

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Double scale
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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.