Finding the Fourth Proportional to 725,838.67, 1,001,673.63 and 399,130.98
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Solution
The fourth proportional to 725,838.67, 1,001,673.63 and 399,130.98 is: 550,809.70
Step by Step Solution
- Step 1: Write the proportion equation
725,838.67 : 1,001,673.63 = 399,130.98 : x - Step 2: Convert to fraction form
725,838.67/1,001,673.63 = 399,130.98/x - Step 3: Cross multiply
725,838.67x = 1,001,673.63 × 399,130.98 - Step 4: Simplify right side
725,838.67x = 399,798,977,582.06 - Step 5: Solve for x
x = 399,798,977,582.06/725,838.67 - Step 6: Final answer
x = 550,809.70
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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.