Home / 646,054.38-891,546.18-359,574.60

Finding the Fourth Proportional to 646,054.38, 891,546.18 and 359,574.60

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Solution

The fourth proportional to 646,054.38, 891,546.18 and 359,574.60 is: 496,208.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,054.38 : 891,546.18 = 359,574.60 : x
  2. Step 2: Convert to fraction form
    646,054.38/891,546.18 = 359,574.60/x
  3. Step 3: Cross multiply
    646,054.38x = 891,546.18 × 359,574.60
  4. Step 4: Simplify right side
    646,054.38x = 320,577,361,055.03
  5. Step 5: Solve for x
    x = 320,577,361,055.03/646,054.38
  6. Step 6: Final answer
    x = 496,208.01

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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.