Home / 959,415.42-1,438,816.94-390,795.42

Finding the Fourth Proportional to 959,415.42, 1,438,816.94 and 390,795.42

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Solution

The fourth proportional to 959,415.42, 1,438,816.94 and 390,795.42 is: 586,068.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,415.42 : 1,438,816.94 = 390,795.42 : x
  2. Step 2: Convert to fraction form
    959,415.42/1,438,816.94 = 390,795.42/x
  3. Step 3: Cross multiply
    959,415.42x = 1,438,816.94 × 390,795.42
  4. Step 4: Simplify right side
    959,415.42x = 562,283,070,370.42
  5. Step 5: Solve for x
    x = 562,283,070,370.42/959,415.42
  6. Step 6: Final answer
    x = 586,068.41

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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.