Home / 929,335-1,282,504.40-521,467.02

Finding the Fourth Proportional to 929,335, 1,282,504.40 and 521,467.02

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Solution

The fourth proportional to 929,335, 1,282,504.40 and 521,467.02 is: 719,636.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,335 : 1,282,504.40 = 521,467.02 : x
  2. Step 2: Convert to fraction form
    929,335/1,282,504.40 = 521,467.02/x
  3. Step 3: Cross multiply
    929,335x = 1,282,504.40 × 521,467.02
  4. Step 4: Simplify right side
    929,335x = 668,783,747,604.89
  5. Step 5: Solve for x
    x = 668,783,747,604.89/929,335
  6. Step 6: Final answer
    x = 719,636.89

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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.