Finding the Fourth Proportional to 771,614.79, 1,064,816.79 and 427,449.65
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Solution
The fourth proportional to 771,614.79, 1,064,816.79 and 427,449.65 is: 589,874.07
Step by Step Solution
- Step 1: Write the proportion equation
771,614.79 : 1,064,816.79 = 427,449.65 : x - Step 2: Convert to fraction form
771,614.79/1,064,816.79 = 427,449.65/x - Step 3: Cross multiply
771,614.79x = 1,064,816.79 × 427,449.65 - Step 4: Simplify right side
771,614.79x = 455,155,558,875.54 - Step 5: Solve for x
x = 455,155,558,875.54/771,614.79 - Step 6: Final answer
x = 589,874.07
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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.