Finding the Fourth Proportional to 569,914.68, 786,482.82 and 315,283.08
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Solution
The fourth proportional to 569,914.68, 786,482.82 and 315,283.08 is: 435,090.96
Step by Step Solution
- Step 1: Write the proportion equation
569,914.68 : 786,482.82 = 315,283.08 : x - Step 2: Convert to fraction form
569,914.68/786,482.82 = 315,283.08/x - Step 3: Cross multiply
569,914.68x = 786,482.82 × 315,283.08 - Step 4: Simplify right side
569,914.68x = 247,964,725,856.69 - Step 5: Solve for x
x = 247,964,725,856.69/569,914.68 - Step 6: Final answer
x = 435,090.96
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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.