Finding the Fourth Proportional to 833,263.12, 1,249,953.41 and 412,426
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Solution
The fourth proportional to 833,263.12, 1,249,953.41 and 412,426 is: 618,668.07
Step by Step Solution
- Step 1: Write the proportion equation
833,263.12 : 1,249,953.41 = 412,426 : x - Step 2: Convert to fraction form
833,263.12/1,249,953.41 = 412,426/x - Step 3: Cross multiply
833,263.12x = 1,249,953.41 × 412,426 - Step 4: Simplify right side
833,263.12x = 515,513,285,072.66 - Step 5: Solve for x
x = 515,513,285,072.66/833,263.12 - Step 6: Final answer
x = 618,668.07
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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.