Home / 460,268.40-689,518.08-282,256.32

Finding the Fourth Proportional to 460,268.40, 689,518.08 and 282,256.32

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Solution

The fourth proportional to 460,268.40, 689,518.08 and 282,256.32 is: 422,842.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,268.40 : 689,518.08 = 282,256.32 : x
  2. Step 2: Convert to fraction form
    460,268.40/689,518.08 = 282,256.32/x
  3. Step 3: Cross multiply
    460,268.40x = 689,518.08 × 282,256.32
  4. Step 4: Simplify right side
    460,268.40x = 194,620,835,834.27
  5. Step 5: Solve for x
    x = 194,620,835,834.27/460,268.40
  6. Step 6: Final answer
    x = 422,842.05

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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.