Finding the Fourth Proportional to 665,725.09, 998,587.59 and 553,485.82
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Solution
The fourth proportional to 665,725.09, 998,587.59 and 553,485.82 is: 830,228.69
Step by Step Solution
- Step 1: Write the proportion equation
665,725.09 : 998,587.59 = 553,485.82 : x - Step 2: Convert to fraction form
665,725.09/998,587.59 = 553,485.82/x - Step 3: Cross multiply
665,725.09x = 998,587.59 × 553,485.82 - Step 4: Simplify right side
665,725.09x = 552,704,068,596.51 - Step 5: Solve for x
x = 552,704,068,596.51/665,725.09 - Step 6: Final answer
x = 830,228.69
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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.