Finding the Fourth Proportional to 758,681.08, 1,138,660.10 and 379,488.08
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Solution
The fourth proportional to 758,681.08, 1,138,660.10 and 379,488.08 is: 569,551.48
Step by Step Solution
- Step 1: Write the proportion equation
758,681.08 : 1,138,660.10 = 379,488.08 : x - Step 2: Convert to fraction form
758,681.08/1,138,660.10 = 379,488.08/x - Step 3: Cross multiply
758,681.08x = 1,138,660.10 × 379,488.08 - Step 4: Simplify right side
758,681.08x = 432,107,935,121.61 - Step 5: Solve for x
x = 432,107,935,121.61/758,681.08 - Step 6: Final answer
x = 569,551.48
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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.