Finding the Fourth Proportional to 763,406.08, 1,053,468.48 and 423,854.08
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Solution
The fourth proportional to 763,406.08, 1,053,468.48 and 423,854.08 is: 584,900.91
Step by Step Solution
- Step 1: Write the proportion equation
763,406.08 : 1,053,468.48 = 423,854.08 : x - Step 2: Convert to fraction form
763,406.08/1,053,468.48 = 423,854.08/x - Step 3: Cross multiply
763,406.08x = 1,053,468.48 × 423,854.08 - Step 4: Simplify right side
763,406.08x = 446,516,913,399.40 - Step 5: Solve for x
x = 446,516,913,399.40/763,406.08 - Step 6: Final answer
x = 584,900.91
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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.