Home / 830,175.10-1,145,727.77-508,099.66

Finding the Fourth Proportional to 830,175.10, 1,145,727.77 and 508,099.66

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Solution

The fourth proportional to 830,175.10, 1,145,727.77 and 508,099.66 is: 701,230.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,175.10 : 1,145,727.77 = 508,099.66 : x
  2. Step 2: Convert to fraction form
    830,175.10/1,145,727.77 = 508,099.66/x
  3. Step 3: Cross multiply
    830,175.10x = 1,145,727.77 × 508,099.66
  4. Step 4: Simplify right side
    830,175.10x = 582,143,884,984.74
  5. Step 5: Solve for x
    x = 582,143,884,984.74/830,175.10
  6. Step 6: Final answer
    x = 701,230.24

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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.