Finding the Fourth Proportional to 908,138.22, 1,253,237.14 and 520,970.53
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Solution
The fourth proportional to 908,138.22, 1,253,237.14 and 520,970.53 is: 718,943.00
Step by Step Solution
- Step 1: Write the proportion equation
908,138.22 : 1,253,237.14 = 520,970.53 : x - Step 2: Convert to fraction form
908,138.22/1,253,237.14 = 520,970.53/x - Step 3: Cross multiply
908,138.22x = 1,253,237.14 × 520,970.53 - Step 4: Simplify right side
908,138.22x = 652,899,617,041.48 - Step 5: Solve for x
x = 652,899,617,041.48/908,138.22 - Step 6: Final answer
x = 718,943.00
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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.