Home / 849,290.45-1,172,029.01-467,325.42

Finding the Fourth Proportional to 849,290.45, 1,172,029.01 and 467,325.42

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Solution

The fourth proportional to 849,290.45, 1,172,029.01 and 467,325.42 is: 644,913.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,290.45 : 1,172,029.01 = 467,325.42 : x
  2. Step 2: Convert to fraction form
    849,290.45/1,172,029.01 = 467,325.42/x
  3. Step 3: Cross multiply
    849,290.45x = 1,172,029.01 × 467,325.42
  4. Step 4: Simplify right side
    849,290.45x = 547,718,947,013.81
  5. Step 5: Solve for x
    x = 547,718,947,013.81/849,290.45
  6. Step 6: Final answer
    x = 644,913.59

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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.