Home / 607,718.07-911,621.43-208,355.46

Finding the Fourth Proportional to 607,718.07, 911,621.43 and 208,355.46

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Solution

The fourth proportional to 607,718.07, 911,621.43 and 208,355.46 is: 312,548.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,718.07 : 911,621.43 = 208,355.46 : x
  2. Step 2: Convert to fraction form
    607,718.07/911,621.43 = 208,355.46/x
  3. Step 3: Cross multiply
    607,718.07x = 911,621.43 × 208,355.46
  4. Step 4: Simplify right side
    607,718.07x = 189,941,302,393.51
  5. Step 5: Solve for x
    x = 189,941,302,393.51/607,718.07
  6. Step 6: Final answer
    x = 312,548.39

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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.