Finding the Fourth Proportional to 562,739.94, 776,655.08 and 320,967.09
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Solution
The fourth proportional to 562,739.94, 776,655.08 and 320,967.09 is: 442,976.77
Step by Step Solution
- Step 1: Write the proportion equation
562,739.94 : 776,655.08 = 320,967.09 : x - Step 2: Convert to fraction form
562,739.94/776,655.08 = 320,967.09/x - Step 3: Cross multiply
562,739.94x = 776,655.08 × 320,967.09 - Step 4: Simplify right side
562,739.94x = 249,280,720,961.32 - Step 5: Solve for x
x = 249,280,720,961.32/562,739.94 - Step 6: Final answer
x = 442,976.77
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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.