Home / 913,071.64-1,369,899.08-439,804.84

Finding the Fourth Proportional to 913,071.64, 1,369,899.08 and 439,804.84

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Solution

The fourth proportional to 913,071.64, 1,369,899.08 and 439,804.84 is: 659,847.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,071.64 : 1,369,899.08 = 439,804.84 : x
  2. Step 2: Convert to fraction form
    913,071.64/1,369,899.08 = 439,804.84/x
  3. Step 3: Cross multiply
    913,071.64x = 1,369,899.08 × 439,804.84
  4. Step 4: Simplify right side
    913,071.64x = 602,488,245,695.55
  5. Step 5: Solve for x
    x = 602,488,245,695.55/913,071.64
  6. Step 6: Final answer
    x = 659,847.73

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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.