Home / 913,999.80-1,370,999.70-240,036.60

Finding the Fourth Proportional to 913,999.80, 1,370,999.70 and 240,036.60

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Solution

The fourth proportional to 913,999.80, 1,370,999.70 and 240,036.60 is: 360,054.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,999.80 : 1,370,999.70 = 240,036.60 : x
  2. Step 2: Convert to fraction form
    913,999.80/1,370,999.70 = 240,036.60/x
  3. Step 3: Cross multiply
    913,999.80x = 1,370,999.70 × 240,036.60
  4. Step 4: Simplify right side
    913,999.80x = 329,090,106,589.02
  5. Step 5: Solve for x
    x = 329,090,106,589.02/913,999.80
  6. Step 6: Final answer
    x = 360,054.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.