Home / 849,721.32-1,172,602.98-467,738.28

Finding the Fourth Proportional to 849,721.32, 1,172,602.98 and 467,738.28

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Solution

The fourth proportional to 849,721.32, 1,172,602.98 and 467,738.28 is: 645,471.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,721.32 : 1,172,602.98 = 467,738.28 : x
  2. Step 2: Convert to fraction form
    849,721.32/1,172,602.98 = 467,738.28/x
  3. Step 3: Cross multiply
    849,721.32x = 1,172,602.98 × 467,738.28
  4. Step 4: Simplify right side
    849,721.32x = 548,471,300,988.07
  5. Step 5: Solve for x
    x = 548,471,300,988.07/849,721.32
  6. Step 6: Final answer
    x = 645,471.98

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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.