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Finding the Fourth Proportional to 554,368.64, 765,028.64 and 299,719.83

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Solution

The fourth proportional to 554,368.64, 765,028.64 and 299,719.83 is: 413,613.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,368.64 : 765,028.64 = 299,719.83 : x
  2. Step 2: Convert to fraction form
    554,368.64/765,028.64 = 299,719.83/x
  3. Step 3: Cross multiply
    554,368.64x = 765,028.64 × 299,719.83
  4. Step 4: Simplify right side
    554,368.64x = 229,294,253,925.93
  5. Step 5: Solve for x
    x = 229,294,253,925.93/554,368.64
  6. Step 6: Final answer
    x = 413,613.32

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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.