Finding the Fourth Proportional to 791,116.68, 1,091,718.58 and 464,424.48
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Solution
The fourth proportional to 791,116.68, 1,091,718.58 and 464,424.48 is: 640,892.61
Step by Step Solution
- Step 1: Write the proportion equation
791,116.68 : 1,091,718.58 = 464,424.48 : x - Step 2: Convert to fraction form
791,116.68/1,091,718.58 = 464,424.48/x - Step 3: Cross multiply
791,116.68x = 1,091,718.58 × 464,424.48 - Step 4: Simplify right side
791,116.68x = 507,020,833,822.84 - Step 5: Solve for x
x = 507,020,833,822.84/791,116.68 - Step 6: Final answer
x = 640,892.61
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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.