Finding the Fourth Proportional to 936,908.32, 1,292,925.84 and 507,179.68
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Solution
The fourth proportional to 936,908.32, 1,292,925.84 and 507,179.68 is: 699,903.82
Step by Step Solution
- Step 1: Write the proportion equation
936,908.32 : 1,292,925.84 = 507,179.68 : x - Step 2: Convert to fraction form
936,908.32/1,292,925.84 = 507,179.68/x - Step 3: Cross multiply
936,908.32x = 1,292,925.84 × 507,179.68 - Step 4: Simplify right side
936,908.32x = 655,745,713,794.93 - Step 5: Solve for x
x = 655,745,713,794.93/936,908.32 - Step 6: Final answer
x = 699,903.82
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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.