Finding the Fourth Proportional to 668,232.36, 921,268.52 and 530,867.08
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Solution
The fourth proportional to 668,232.36, 921,268.52 and 530,867.08 is: 731,887.83
Step by Step Solution
- Step 1: Write the proportion equation
668,232.36 : 921,268.52 = 530,867.08 : x - Step 2: Convert to fraction form
668,232.36/921,268.52 = 530,867.08/x - Step 3: Cross multiply
668,232.36x = 921,268.52 × 530,867.08 - Step 4: Simplify right side
668,232.36x = 489,071,129,108.32 - Step 5: Solve for x
x = 489,071,129,108.32/668,232.36 - Step 6: Final answer
x = 731,887.83
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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.