Home / 762,242.96-1,051,888.10-418,071.87

Finding the Fourth Proportional to 762,242.96, 1,051,888.10 and 418,071.87

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Solution

The fourth proportional to 762,242.96, 1,051,888.10 and 418,071.87 is: 576,935.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,242.96 : 1,051,888.10 = 418,071.87 : x
  2. Step 2: Convert to fraction form
    762,242.96/1,051,888.10 = 418,071.87/x
  3. Step 3: Cross multiply
    762,242.96x = 1,051,888.10 × 418,071.87
  4. Step 4: Simplify right side
    762,242.96x = 439,764,822,907.39
  5. Step 5: Solve for x
    x = 439,764,822,907.39/762,242.96
  6. Step 6: Final answer
    x = 576,935.24

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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.