Home / 916,495.44-1,264,777.46-508,623.70

Finding the Fourth Proportional to 916,495.44, 1,264,777.46 and 508,623.70

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Solution

The fourth proportional to 916,495.44, 1,264,777.46 and 508,623.70 is: 701,908.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,495.44 : 1,264,777.46 = 508,623.70 : x
  2. Step 2: Convert to fraction form
    916,495.44/1,264,777.46 = 508,623.70/x
  3. Step 3: Cross multiply
    916,495.44x = 1,264,777.46 × 508,623.70
  4. Step 4: Simplify right side
    916,495.44x = 643,295,782,514.80
  5. Step 5: Solve for x
    x = 643,295,782,514.80/916,495.44
  6. Step 6: Final answer
    x = 701,908.33

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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.