Finding the Fourth Proportional to 950,818.14, 1,312,139.34 and 521,089.02
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Solution
The fourth proportional to 950,818.14, 1,312,139.34 and 521,089.02 is: 719,108.50
Step by Step Solution
- Step 1: Write the proportion equation
950,818.14 : 1,312,139.34 = 521,089.02 : x - Step 2: Convert to fraction form
950,818.14/1,312,139.34 = 521,089.02/x - Step 3: Cross multiply
950,818.14x = 1,312,139.34 × 521,089.02 - Step 4: Simplify right side
950,818.14x = 683,741,402,784.05 - Step 5: Solve for x
x = 683,741,402,784.05/950,818.14 - Step 6: Final answer
x = 719,108.50
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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.