Home / 735,455.76-1,014,972.30-553,847.28

Finding the Fourth Proportional to 735,455.76, 1,014,972.30 and 553,847.28

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Solution

The fourth proportional to 735,455.76, 1,014,972.30 and 553,847.28 is: 764,341.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,455.76 : 1,014,972.30 = 553,847.28 : x
  2. Step 2: Convert to fraction form
    735,455.76/1,014,972.30 = 553,847.28/x
  3. Step 3: Cross multiply
    735,455.76x = 1,014,972.30 × 553,847.28
  4. Step 4: Simplify right side
    735,455.76x = 562,139,647,630.34
  5. Step 5: Solve for x
    x = 562,139,647,630.34/735,455.76
  6. Step 6: Final answer
    x = 764,341.89

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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.