Home / 845,376.77-1,166,619.96-463,395.35

Finding the Fourth Proportional to 845,376.77, 1,166,619.96 and 463,395.35

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Solution

The fourth proportional to 845,376.77, 1,166,619.96 and 463,395.35 is: 639,485.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,376.77 : 1,166,619.96 = 463,395.35 : x
  2. Step 2: Convert to fraction form
    845,376.77/1,166,619.96 = 463,395.35/x
  3. Step 3: Cross multiply
    845,376.77x = 1,166,619.96 × 463,395.35
  4. Step 4: Simplify right side
    845,376.77x = 540,606,258,848.09
  5. Step 5: Solve for x
    x = 540,606,258,848.09/845,376.77
  6. Step 6: Final answer
    x = 639,485.59

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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.