Finding the Fourth Proportional to 877,835.36, 1,211,437.68 and 495,878.24
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Solution
The fourth proportional to 877,835.36, 1,211,437.68 and 495,878.24 is: 684,326.03
Step by Step Solution
- Step 1: Write the proportion equation
877,835.36 : 1,211,437.68 = 495,878.24 : x - Step 2: Convert to fraction form
877,835.36/1,211,437.68 = 495,878.24/x - Step 3: Cross multiply
877,835.36x = 1,211,437.68 × 495,878.24 - Step 4: Simplify right side
877,835.36x = 600,725,584,628.08 - Step 5: Solve for x
x = 600,725,584,628.08/877,835.36 - Step 6: Final answer
x = 684,326.03
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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.