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Finding the Fourth Proportional to 554,507.64, 765,222.36 and 299,860.62

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Solution

The fourth proportional to 554,507.64, 765,222.36 and 299,860.62 is: 413,808.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,507.64 : 765,222.36 = 299,860.62 : x
  2. Step 2: Convert to fraction form
    554,507.64/765,222.36 = 299,860.62/x
  3. Step 3: Cross multiply
    554,507.64x = 765,222.36 × 299,860.62
  4. Step 4: Simplify right side
    554,507.64x = 229,460,051,307.46
  5. Step 5: Solve for x
    x = 229,460,051,307.46/554,507.64
  6. Step 6: Final answer
    x = 413,808.64

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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.