Home / 798,457.95-1,197,875.69-258,713.32

Finding the Fourth Proportional to 798,457.95, 1,197,875.69 and 258,713.32

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Solution

The fourth proportional to 798,457.95, 1,197,875.69 and 258,713.32 is: 388,131.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,457.95 : 1,197,875.69 = 258,713.32 : x
  2. Step 2: Convert to fraction form
    798,457.95/1,197,875.69 = 258,713.32/x
  3. Step 3: Cross multiply
    798,457.95x = 1,197,875.69 × 258,713.32
  4. Step 4: Simplify right side
    798,457.95x = 309,906,396,707.19
  5. Step 5: Solve for x
    x = 309,906,396,707.19/798,457.95
  6. Step 6: Final answer
    x = 388,131.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.