Finding the Fourth Proportional to 648,261.84, 894,577.86 and 357,867.18
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Solution
The fourth proportional to 648,261.84, 894,577.86 and 357,867.18 is: 493,843.75
Step by Step Solution
- Step 1: Write the proportion equation
648,261.84 : 894,577.86 = 357,867.18 : x - Step 2: Convert to fraction form
648,261.84/894,577.86 = 357,867.18/x - Step 3: Cross multiply
648,261.84x = 894,577.86 × 357,867.18 - Step 4: Simplify right side
648,261.84x = 320,140,056,048.64 - Step 5: Solve for x
x = 320,140,056,048.64/648,261.84 - Step 6: Final answer
x = 493,843.75
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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.