Home / 646,015.60-891,530.70-374,095.36

Finding the Fourth Proportional to 646,015.60, 891,530.70 and 374,095.36

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Solution

The fourth proportional to 646,015.60, 891,530.70 and 374,095.36 is: 516,268.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,015.60 : 891,530.70 = 374,095.36 : x
  2. Step 2: Convert to fraction form
    646,015.60/891,530.70 = 374,095.36/x
  3. Step 3: Cross multiply
    646,015.60x = 891,530.70 × 374,095.36
  4. Step 4: Simplify right side
    646,015.60x = 333,517,498,167.55
  5. Step 5: Solve for x
    x = 333,517,498,167.55/646,015.60
  6. Step 6: Final answer
    x = 516,268.49

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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.