Home / 685,325.12-1,027,433.44-286,271.52

Finding the Fourth Proportional to 685,325.12, 1,027,433.44 and 286,271.52

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Solution

The fourth proportional to 685,325.12, 1,027,433.44 and 286,271.52 is: 429,175.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,325.12 : 1,027,433.44 = 286,271.52 : x
  2. Step 2: Convert to fraction form
    685,325.12/1,027,433.44 = 286,271.52/x
  3. Step 3: Cross multiply
    685,325.12x = 1,027,433.44 × 286,271.52
  4. Step 4: Simplify right side
    685,325.12x = 294,124,932,567.63
  5. Step 5: Solve for x
    x = 294,124,932,567.63/685,325.12
  6. Step 6: Final answer
    x = 429,175.76

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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.