Finding the Fourth Proportional to 694,031.60, 1,041,133.08 and 338,777.14
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Solution
The fourth proportional to 694,031.60, 1,041,133.08 and 338,777.14 is: 508,207.53
Step by Step Solution
- Step 1: Write the proportion equation
694,031.60 : 1,041,133.08 = 338,777.14 : x - Step 2: Convert to fraction form
694,031.60/1,041,133.08 = 338,777.14/x - Step 3: Cross multiply
694,031.60x = 1,041,133.08 × 338,777.14 - Step 4: Simplify right side
694,031.60x = 352,712,087,201.79 - Step 5: Solve for x
x = 352,712,087,201.79/694,031.60 - Step 6: Final answer
x = 508,207.53
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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.