Home / 784,592.64-1,082,323.76-647,828.60

Finding the Fourth Proportional to 784,592.64, 1,082,323.76 and 647,828.60

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Solution

The fourth proportional to 784,592.64, 1,082,323.76 and 647,828.60 is: 893,661.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,592.64 : 1,082,323.76 = 647,828.60 : x
  2. Step 2: Convert to fraction form
    784,592.64/1,082,323.76 = 647,828.60/x
  3. Step 3: Cross multiply
    784,592.64x = 1,082,323.76 × 647,828.60
  4. Step 4: Simplify right side
    784,592.64x = 701,160,277,536.77
  5. Step 5: Solve for x
    x = 701,160,277,536.77/784,592.64
  6. Step 6: Final answer
    x = 893,661.55

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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.