Home / 971,985.30-1,457,540.55-372,747.30

Finding the Fourth Proportional to 971,985.30, 1,457,540.55 and 372,747.30

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Solution

The fourth proportional to 971,985.30, 1,457,540.55 and 372,747.30 is: 558,953.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,985.30 : 1,457,540.55 = 372,747.30 : x
  2. Step 2: Convert to fraction form
    971,985.30/1,457,540.55 = 372,747.30/x
  3. Step 3: Cross multiply
    971,985.30x = 1,457,540.55 × 372,747.30
  4. Step 4: Simplify right side
    971,985.30x = 543,294,304,653.02
  5. Step 5: Solve for x
    x = 543,294,304,653.02/971,985.30
  6. Step 6: Final answer
    x = 558,953.21

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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.