Home / 845,460.68-1,166,735.64-463,490.16

Finding the Fourth Proportional to 845,460.68, 1,166,735.64 and 463,490.16

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Solution

The fourth proportional to 845,460.68, 1,166,735.64 and 463,490.16 is: 639,616.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,460.68 : 1,166,735.64 = 463,490.16 : x
  2. Step 2: Convert to fraction form
    845,460.68/1,166,735.64 = 463,490.16/x
  3. Step 3: Cross multiply
    845,460.68x = 1,166,735.64 × 463,490.16
  4. Step 4: Simplify right side
    845,460.68x = 540,770,488,461.30
  5. Step 5: Solve for x
    x = 540,770,488,461.30/845,460.68
  6. Step 6: Final answer
    x = 639,616.37

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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.