Finding the Fourth Proportional to 819,282.93, 1,130,743.63 and 492,925.81
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Solution
The fourth proportional to 819,282.93, 1,130,743.63 and 492,925.81 is: 680,317.74
Step by Step Solution
- Step 1: Write the proportion equation
819,282.93 : 1,130,743.63 = 492,925.81 : x - Step 2: Convert to fraction form
819,282.93/1,130,743.63 = 492,925.81/x - Step 3: Cross multiply
819,282.93x = 1,130,743.63 × 492,925.81 - Step 4: Simplify right side
819,282.93x = 557,372,716,856.83 - Step 5: Solve for x
x = 557,372,716,856.83/819,282.93 - Step 6: Final answer
x = 680,317.74
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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.