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Finding the Fourth Proportional to 571,106.98, 788,127.38 and 341,673.98

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Solution

The fourth proportional to 571,106.98, 788,127.38 and 341,673.98 is: 471,509.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,106.98 : 788,127.38 = 341,673.98 : x
  2. Step 2: Convert to fraction form
    571,106.98/788,127.38 = 341,673.98/x
  3. Step 3: Cross multiply
    571,106.98x = 788,127.38 × 341,673.98
  4. Step 4: Simplify right side
    571,106.98x = 269,282,618,671.57
  5. Step 5: Solve for x
    x = 269,282,618,671.57/571,106.98
  6. Step 6: Final answer
    x = 471,509.94

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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.