Home / 788,564.34-1,088,217.72-449,032.59

Finding the Fourth Proportional to 788,564.34, 1,088,217.72 and 449,032.59

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Solution

The fourth proportional to 788,564.34, 1,088,217.72 and 449,032.59 is: 619,664.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,564.34 : 1,088,217.72 = 449,032.59 : x
  2. Step 2: Convert to fraction form
    788,564.34/1,088,217.72 = 449,032.59/x
  3. Step 3: Cross multiply
    788,564.34x = 1,088,217.72 × 449,032.59
  4. Step 4: Simplify right side
    788,564.34x = 488,645,221,295.50
  5. Step 5: Solve for x
    x = 488,645,221,295.50/788,564.34
  6. Step 6: Final answer
    x = 619,664.37

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1.5x scale

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.