Finding the Fourth Proportional to 855,719.92, 1,180,848.48 and 468,461.08
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Solution
The fourth proportional to 855,719.92, 1,180,848.48 and 468,461.08 is: 646,451.65
Step by Step Solution
- Step 1: Write the proportion equation
855,719.92 : 1,180,848.48 = 468,461.08 : x - Step 2: Convert to fraction form
855,719.92/1,180,848.48 = 468,461.08/x - Step 3: Cross multiply
855,719.92x = 1,180,848.48 × 468,461.08 - Step 4: Simplify right side
855,719.92x = 553,181,554,257.16 - Step 5: Solve for x
x = 553,181,554,257.16/855,719.92 - Step 6: Final answer
x = 646,451.65
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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.