Finding the Fourth Proportional to 823,927.68, 1,236,124.80 and 487,267.20
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Solution
The fourth proportional to 823,927.68, 1,236,124.80 and 487,267.20 is: 731,038.76
Step by Step Solution
- Step 1: Write the proportion equation
823,927.68 : 1,236,124.80 = 487,267.20 : x - Step 2: Convert to fraction form
823,927.68/1,236,124.80 = 487,267.20/x - Step 3: Cross multiply
823,927.68x = 1,236,124.80 × 487,267.20 - Step 4: Simplify right side
823,927.68x = 602,323,070,146.56 - Step 5: Solve for x
x = 602,323,070,146.56/823,927.68 - Step 6: Final answer
x = 731,038.76
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.