Finding the Fourth Proportional to 918,722.08, 1,378,267.06 and 514,489.14
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Solution
The fourth proportional to 918,722.08, 1,378,267.06 and 514,489.14 is: 771,836.72
Step by Step Solution
- Step 1: Write the proportion equation
918,722.08 : 1,378,267.06 = 514,489.14 : x - Step 2: Convert to fraction form
918,722.08/1,378,267.06 = 514,489.14/x - Step 3: Cross multiply
918,722.08x = 1,378,267.06 × 514,489.14 - Step 4: Simplify right side
918,722.08x = 709,103,434,389.73 - Step 5: Solve for x
x = 709,103,434,389.73/918,722.08 - Step 6: Final answer
x = 771,836.72
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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.