Finding the Fourth Proportional to 1,371,457.11, 2,057,320.98 and 472,780.53
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Solution
The fourth proportional to 1,371,457.11, 2,057,320.98 and 472,780.53 is: 709,217.45
Step by Step Solution
- Step 1: Write the proportion equation
1,371,457.11 : 2,057,320.98 = 472,780.53 : x - Step 2: Convert to fraction form
1,371,457.11/2,057,320.98 = 472,780.53/x - Step 3: Cross multiply
1,371,457.11x = 2,057,320.98 × 472,780.53 - Step 4: Simplify right side
1,371,457.11x = 972,661,312,316.30 - Step 5: Solve for x
x = 972,661,312,316.30/1,371,457.11 - Step 6: Final answer
x = 709,217.45
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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.