Finding the Fourth Proportional to 939,292.84, 1,296,224.64 and 509,572.92
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Solution
The fourth proportional to 939,292.84, 1,296,224.64 and 509,572.92 is: 703,210.91
Step by Step Solution
- Step 1: Write the proportion equation
939,292.84 : 1,296,224.64 = 509,572.92 : x - Step 2: Convert to fraction form
939,292.84/1,296,224.64 = 509,572.92/x - Step 3: Cross multiply
939,292.84x = 1,296,224.64 × 509,572.92 - Step 4: Simplify right side
939,292.84x = 660,520,974,780.75 - Step 5: Solve for x
x = 660,520,974,780.75/939,292.84 - Step 6: Final answer
x = 703,210.91
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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.