Home / 967,985.98-1,335,765.70-538,256.86

Finding the Fourth Proportional to 967,985.98, 1,335,765.70 and 538,256.86

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Solution

The fourth proportional to 967,985.98, 1,335,765.70 and 538,256.86 is: 742,763.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    967,985.98 : 1,335,765.70 = 538,256.86 : x
  2. Step 2: Convert to fraction form
    967,985.98/1,335,765.70 = 538,256.86/x
  3. Step 3: Cross multiply
    967,985.98x = 1,335,765.70 × 538,256.86
  4. Step 4: Simplify right side
    967,985.98x = 718,985,051,377.70
  5. Step 5: Solve for x
    x = 718,985,051,377.70/967,985.98
  6. Step 6: Final answer
    x = 742,763.91

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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.