Finding the Fourth Proportional to 487,989.24, 731,482.74 and 277,177.08
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Solution
The fourth proportional to 487,989.24, 731,482.74 and 277,177.08 is: 415,480.98
Step by Step Solution
- Step 1: Write the proportion equation
487,989.24 : 731,482.74 = 277,177.08 : x - Step 2: Convert to fraction form
487,989.24/731,482.74 = 277,177.08/x - Step 3: Cross multiply
487,989.24x = 731,482.74 × 277,177.08 - Step 4: Simplify right side
487,989.24x = 202,750,249,943.60 - Step 5: Solve for x
x = 202,750,249,943.60/487,989.24 - Step 6: Final answer
x = 415,480.98
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.