Finding the Fourth Proportional to 909,320.93, 1,363,981.17 and 310,282.04
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Solution
The fourth proportional to 909,320.93, 1,363,981.17 and 310,282.04 is: 465,422.99
Step by Step Solution
- Step 1: Write the proportion equation
909,320.93 : 1,363,981.17 = 310,282.04 : x - Step 2: Convert to fraction form
909,320.93/1,363,981.17 = 310,282.04/x - Step 3: Cross multiply
909,320.93x = 1,363,981.17 × 310,282.04 - Step 4: Simplify right side
909,320.93x = 423,218,864,522.70 - Step 5: Solve for x
x = 423,218,864,522.70/909,320.93 - Step 6: Final answer
x = 465,422.99
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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.