Home / 830,716.36-1,146,389.62-448,743.16

Finding the Fourth Proportional to 830,716.36, 1,146,389.62 and 448,743.16

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Solution

The fourth proportional to 830,716.36, 1,146,389.62 and 448,743.16 is: 619,266.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,716.36 : 1,146,389.62 = 448,743.16 : x
  2. Step 2: Convert to fraction form
    830,716.36/1,146,389.62 = 448,743.16/x
  3. Step 3: Cross multiply
    830,716.36x = 1,146,389.62 × 448,743.16
  4. Step 4: Simplify right side
    830,716.36x = 514,434,500,670.00
  5. Step 5: Solve for x
    x = 514,434,500,670.00/830,716.36
  6. Step 6: Final answer
    x = 619,266.12

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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.