Home / 558,680.63-838,016.46-369,985.37

Finding the Fourth Proportional to 558,680.63, 838,016.46 and 369,985.37

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Solution

The fourth proportional to 558,680.63, 838,016.46 and 369,985.37 is: 554,975.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,680.63 : 838,016.46 = 369,985.37 : x
  2. Step 2: Convert to fraction form
    558,680.63/838,016.46 = 369,985.37/x
  3. Step 3: Cross multiply
    558,680.63x = 838,016.46 × 369,985.37
  4. Step 4: Simplify right side
    558,680.63x = 310,053,825,829.11
  5. Step 5: Solve for x
    x = 310,053,825,829.11/558,680.63
  6. Step 6: Final answer
    x = 554,975.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.