Finding the Fourth Proportional to 969,430.17, 1,454,809.51 and 338,343.99
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Solution
The fourth proportional to 969,430.17, 1,454,809.51 and 338,343.99 is: 507,747.81
Step by Step Solution
- Step 1: Write the proportion equation
969,430.17 : 1,454,809.51 = 338,343.99 : x - Step 2: Convert to fraction form
969,430.17/1,454,809.51 = 338,343.99/x - Step 3: Cross multiply
969,430.17x = 1,454,809.51 × 338,343.99 - Step 4: Simplify right side
969,430.17x = 492,226,049,270.74 - Step 5: Solve for x
x = 492,226,049,270.74/969,430.17 - Step 6: Final answer
x = 507,747.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.