Home / 965,874.47-1,332,840.09-536,120.77

Finding the Fourth Proportional to 965,874.47, 1,332,840.09 and 536,120.77

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Solution

The fourth proportional to 965,874.47, 1,332,840.09 and 536,120.77 is: 739,809.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,874.47 : 1,332,840.09 = 536,120.77 : x
  2. Step 2: Convert to fraction form
    965,874.47/1,332,840.09 = 536,120.77/x
  3. Step 3: Cross multiply
    965,874.47x = 1,332,840.09 × 536,120.77
  4. Step 4: Simplify right side
    965,874.47x = 714,563,252,005.57
  5. Step 5: Solve for x
    x = 714,563,252,005.57/965,874.47
  6. Step 6: Final answer
    x = 739,809.65

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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.