Finding the Fourth Proportional to 804,924.80, 1,207,387.20 and 524,988.80
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Solution
The fourth proportional to 804,924.80, 1,207,387.20 and 524,988.80 is: 787,483.20
Step by Step Solution
- Step 1: Write the proportion equation
804,924.80 : 1,207,387.20 = 524,988.80 : x - Step 2: Convert to fraction form
804,924.80/1,207,387.20 = 524,988.80/x - Step 3: Cross multiply
804,924.80x = 1,207,387.20 × 524,988.80 - Step 4: Simplify right side
804,924.80x = 633,864,757,263.36 - Step 5: Solve for x
x = 633,864,757,263.36/804,924.80 - Step 6: Final answer
x = 787,483.20
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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.