Finding the Fourth Proportional to 578,750.55, 798,657.21 and 320,616.92
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Solution
The fourth proportional to 578,750.55, 798,657.21 and 320,616.92 is: 442,441.07
Step by Step Solution
- Step 1: Write the proportion equation
578,750.55 : 798,657.21 = 320,616.92 : x - Step 2: Convert to fraction form
578,750.55/798,657.21 = 320,616.92/x - Step 3: Cross multiply
578,750.55x = 798,657.21 × 320,616.92 - Step 4: Simplify right side
578,750.55x = 256,063,010,812.71 - Step 5: Solve for x
x = 256,063,010,812.71/578,750.55 - Step 6: Final answer
x = 442,441.07
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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.