Home / 646,975.55-892,829.86-375,204.62

Finding the Fourth Proportional to 646,975.55, 892,829.86 and 375,204.62

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Solution

The fourth proportional to 646,975.55, 892,829.86 and 375,204.62 is: 517,784.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,975.55 : 892,829.86 = 375,204.62 : x
  2. Step 2: Convert to fraction form
    646,975.55/892,829.86 = 375,204.62/x
  3. Step 3: Cross multiply
    646,975.55x = 892,829.86 × 375,204.62
  4. Step 4: Simplify right side
    646,975.55x = 334,993,889,640.02
  5. Step 5: Solve for x
    x = 334,993,889,640.02/646,975.55
  6. Step 6: Final answer
    x = 517,784.46

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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.