Finding the Fourth Proportional to 724,939.74, 1,000,389.02 and 402,670.44
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Solution
The fourth proportional to 724,939.74, 1,000,389.02 and 402,670.44 is: 555,669.75
Step by Step Solution
- Step 1: Write the proportion equation
724,939.74 : 1,000,389.02 = 402,670.44 : x - Step 2: Convert to fraction form
724,939.74/1,000,389.02 = 402,670.44/x - Step 3: Cross multiply
724,939.74x = 1,000,389.02 × 402,670.44 - Step 4: Simplify right side
724,939.74x = 402,827,084,841.22 - Step 5: Solve for x
x = 402,827,084,841.22/724,939.74 - Step 6: Final answer
x = 555,669.75
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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.