Finding the Fourth Proportional to 913,295.55, 1,260,329.00 and 505,397.13
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Solution
The fourth proportional to 913,295.55, 1,260,329.00 and 505,397.13 is: 697,437.60
Step by Step Solution
- Step 1: Write the proportion equation
913,295.55 : 1,260,329.00 = 505,397.13 : x - Step 2: Convert to fraction form
913,295.55/1,260,329.00 = 505,397.13/x - Step 3: Cross multiply
913,295.55x = 1,260,329.00 × 505,397.13 - Step 4: Simplify right side
913,295.55x = 636,966,656,928.78 - Step 5: Solve for x
x = 636,966,656,928.78/913,295.55 - Step 6: Final answer
x = 697,437.60
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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.