Finding the Fourth Proportional to 877,209.36, 1,210,619.24 and 697,405.12
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Solution
The fourth proportional to 877,209.36, 1,210,619.24 and 697,405.12 is: 962,474.97
Step by Step Solution
- Step 1: Write the proportion equation
877,209.36 : 1,210,619.24 = 697,405.12 : x - Step 2: Convert to fraction form
877,209.36/1,210,619.24 = 697,405.12/x - Step 3: Cross multiply
877,209.36x = 1,210,619.24 × 697,405.12 - Step 4: Simplify right side
877,209.36x = 844,292,056,346.51 - Step 5: Solve for x
x = 844,292,056,346.51/877,209.36 - Step 6: Final answer
x = 962,474.97
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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.