Home / 830,150.91-1,145,694.38-508,075.47

Finding the Fourth Proportional to 830,150.91, 1,145,694.38 and 508,075.47

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Solution

The fourth proportional to 830,150.91, 1,145,694.38 and 508,075.47 is: 701,196.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,150.91 : 1,145,694.38 = 508,075.47 : x
  2. Step 2: Convert to fraction form
    830,150.91/1,145,694.38 = 508,075.47/x
  3. Step 3: Cross multiply
    830,150.91x = 1,145,694.38 × 508,075.47
  4. Step 4: Simplify right side
    830,150.91x = 582,099,208,054.48
  5. Step 5: Solve for x
    x = 582,099,208,054.48/830,150.91
  6. Step 6: Final answer
    x = 701,196.86

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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.