Home / 782,975.89-1,080,455.56-460,623.70

Finding the Fourth Proportional to 782,975.89, 1,080,455.56 and 460,623.70

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Solution

The fourth proportional to 782,975.89, 1,080,455.56 and 460,623.70 is: 635,630.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,975.89 : 1,080,455.56 = 460,623.70 : x
  2. Step 2: Convert to fraction form
    782,975.89/1,080,455.56 = 460,623.70/x
  3. Step 3: Cross multiply
    782,975.89x = 1,080,455.56 × 460,623.70
  4. Step 4: Simplify right side
    782,975.89x = 497,683,437,732.77
  5. Step 5: Solve for x
    x = 497,683,437,732.77/782,975.89
  6. Step 6: Final answer
    x = 635,630.60

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Double scale
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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.