Finding the Fourth Proportional to 960,071.84, 1,325,060.88 and 557,897.12
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Solution
The fourth proportional to 960,071.84, 1,325,060.88 and 557,897.12 is: 769,992.01
Step by Step Solution
- Step 1: Write the proportion equation
960,071.84 : 1,325,060.88 = 557,897.12 : x - Step 2: Convert to fraction form
960,071.84/1,325,060.88 = 557,897.12/x - Step 3: Cross multiply
960,071.84x = 1,325,060.88 × 557,897.12 - Step 4: Simplify right side
960,071.84x = 739,247,648,776.67 - Step 5: Solve for x
x = 739,247,648,776.67/960,071.84 - Step 6: Final answer
x = 769,992.01
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1.5x scale
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.