Finding the Fourth Proportional to 723,435.84, 1,085,179.68 and 302,132.16
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Solution
The fourth proportional to 723,435.84, 1,085,179.68 and 302,132.16 is: 453,209.07
Step by Step Solution
- Step 1: Write the proportion equation
723,435.84 : 1,085,179.68 = 302,132.16 : x - Step 2: Convert to fraction form
723,435.84/1,085,179.68 = 302,132.16/x - Step 3: Cross multiply
723,435.84x = 1,085,179.68 × 302,132.16 - Step 4: Simplify right side
723,435.84x = 327,867,680,706.51 - Step 5: Solve for x
x = 327,867,680,706.51/723,435.84 - Step 6: Final answer
x = 453,209.07
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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.