Finding the Fourth Proportional to 903,657.60, 1,354,766.96 and 447,928.08
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Solution
The fourth proportional to 903,657.60, 1,354,766.96 and 447,928.08 is: 671,535.51
Step by Step Solution
- Step 1: Write the proportion equation
903,657.60 : 1,354,766.96 = 447,928.08 : x - Step 2: Convert to fraction form
903,657.60/1,354,766.96 = 447,928.08/x - Step 3: Cross multiply
903,657.60x = 1,354,766.96 × 447,928.08 - Step 4: Simplify right side
903,657.60x = 606,838,163,240.24 - Step 5: Solve for x
x = 606,838,163,240.24/903,657.60 - Step 6: Final answer
x = 671,535.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.