Finding the Fourth Proportional to 771,707.93, 1,064,964.36 and 427,551.08
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Solution
The fourth proportional to 771,707.93, 1,064,964.36 and 427,551.08 is: 590,024.60
Step by Step Solution
- Step 1: Write the proportion equation
771,707.93 : 1,064,964.36 = 427,551.08 : x - Step 2: Convert to fraction form
771,707.93/1,064,964.36 = 427,551.08/x - Step 3: Cross multiply
771,707.93x = 1,064,964.36 × 427,551.08 - Step 4: Simplify right side
771,707.93x = 455,326,662,279.51 - Step 5: Solve for x
x = 455,326,662,279.51/771,707.93 - Step 6: Final answer
x = 590,024.60
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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.