Finding the Fourth Proportional to 837,690.16, 1,247,060.80 and 832,708
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Solution
The fourth proportional to 837,690.16, 1,247,060.80 and 832,708 is: 1,239,643.91
Step by Step Solution
- Step 1: Write the proportion equation
837,690.16 : 1,247,060.80 = 832,708 : x - Step 2: Convert to fraction form
837,690.16/1,247,060.80 = 832,708/x - Step 3: Cross multiply
837,690.16x = 1,247,060.80 × 832,708 - Step 4: Simplify right side
837,690.16x = 1,038,437,504,646.40 - Step 5: Solve for x
x = 1,038,437,504,646.40/837,690.16 - Step 6: Final answer
x = 1,239,643.91
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.