Home / 830,175.66-1,145,728.53-508,100.22

Finding the Fourth Proportional to 830,175.66, 1,145,728.53 and 508,100.22

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Solution

The fourth proportional to 830,175.66, 1,145,728.53 and 508,100.22 is: 701,231.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,175.66 : 1,145,728.53 = 508,100.22 : x
  2. Step 2: Convert to fraction form
    830,175.66/1,145,728.53 = 508,100.22/x
  3. Step 3: Cross multiply
    830,175.66x = 1,145,728.53 × 508,100.22
  4. Step 4: Simplify right side
    830,175.66x = 582,144,918,153.28
  5. Step 5: Solve for x
    x = 582,144,918,153.28/830,175.66
  6. Step 6: Final answer
    x = 701,231.01

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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.