Finding the Fourth Proportional to 668,242.10, 999,968.69 and 578,594.09
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Solution
The fourth proportional to 668,242.10, 999,968.69 and 578,594.09 is: 865,817.90
Step by Step Solution
- Step 1: Write the proportion equation
668,242.10 : 999,968.69 = 578,594.09 : x - Step 2: Convert to fraction form
668,242.10/999,968.69 = 578,594.09/x - Step 3: Cross multiply
668,242.10x = 999,968.69 × 578,594.09 - Step 4: Simplify right side
668,242.10x = 578,575,970,665.68 - Step 5: Solve for x
x = 578,575,970,665.68/668,242.10 - Step 6: Final answer
x = 865,817.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.