Finding the Fourth Proportional to 840,248.52, 1,260,373.05 and 279,283.02
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Solution
The fourth proportional to 840,248.52, 1,260,373.05 and 279,283.02 is: 418,924.62
Step by Step Solution
- Step 1: Write the proportion equation
840,248.52 : 1,260,373.05 = 279,283.02 : x - Step 2: Convert to fraction form
840,248.52/1,260,373.05 = 279,283.02/x - Step 3: Cross multiply
840,248.52x = 1,260,373.05 × 279,283.02 - Step 4: Simplify right side
840,248.52x = 352,000,791,730.61 - Step 5: Solve for x
x = 352,000,791,730.61/840,248.52 - Step 6: Final answer
x = 418,924.62
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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.