Finding the Fourth Proportional to 743,119.24, 1,025,509.80 and 403,587.49
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Solution
The fourth proportional to 743,119.24, 1,025,509.80 and 403,587.49 is: 556,953.59
Step by Step Solution
- Step 1: Write the proportion equation
743,119.24 : 1,025,509.80 = 403,587.49 : x - Step 2: Convert to fraction form
743,119.24/1,025,509.80 = 403,587.49/x - Step 3: Cross multiply
743,119.24x = 1,025,509.80 × 403,587.49 - Step 4: Simplify right side
743,119.24x = 413,882,926,152.40 - Step 5: Solve for x
x = 413,882,926,152.40/743,119.24 - Step 6: Final answer
x = 556,953.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.