Home / 929,897.70-1,392,185.70-572,505.45

Finding the Fourth Proportional to 929,897.70, 1,392,185.70 and 572,505.45

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Solution

The fourth proportional to 929,897.70, 1,392,185.70 and 572,505.45 is: 857,119.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,897.70 : 1,392,185.70 = 572,505.45 : x
  2. Step 2: Convert to fraction form
    929,897.70/1,392,185.70 = 572,505.45/x
  3. Step 3: Cross multiply
    929,897.70x = 1,392,185.70 × 572,505.45
  4. Step 4: Simplify right side
    929,897.70x = 797,033,900,662.07
  5. Step 5: Solve for x
    x = 797,033,900,662.07/929,897.70
  6. Step 6: Final answer
    x = 857,119.98

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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.