Finding the Fourth Proportional to 791,656.16, 1,092,586.68 and 442,815.96
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Solution
The fourth proportional to 791,656.16, 1,092,586.68 and 442,815.96 is: 611,142.62
Step by Step Solution
- Step 1: Write the proportion equation
791,656.16 : 1,092,586.68 = 442,815.96 : x - Step 2: Convert to fraction form
791,656.16/1,092,586.68 = 442,815.96/x - Step 3: Cross multiply
791,656.16x = 1,092,586.68 × 442,815.96 - Step 4: Simplify right side
791,656.16x = 483,814,819,587.41 - Step 5: Solve for x
x = 483,814,819,587.41/791,656.16 - Step 6: Final answer
x = 611,142.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.