Finding the Fourth Proportional to 840,132.71, 1,159,473.06 and 513,637.30
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Solution
The fourth proportional to 840,132.71, 1,159,473.06 and 513,637.30 is: 708,874.45
Step by Step Solution
- Step 1: Write the proportion equation
840,132.71 : 1,159,473.06 = 513,637.30 : x - Step 2: Convert to fraction form
840,132.71/1,159,473.06 = 513,637.30/x - Step 3: Cross multiply
840,132.71x = 1,159,473.06 × 513,637.30 - Step 4: Simplify right side
840,132.71x = 595,548,611,965.87 - Step 5: Solve for x
x = 595,548,611,965.87/840,132.71 - Step 6: Final answer
x = 708,874.45
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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.