Finding the Fourth Proportional to 817,818.04, 1,226,923.80 and 344,638.72
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Solution
The fourth proportional to 817,818.04, 1,226,923.80 and 344,638.72 is: 517,040.99
Step by Step Solution
- Step 1: Write the proportion equation
817,818.04 : 1,226,923.80 = 344,638.72 : x - Step 2: Convert to fraction form
817,818.04/1,226,923.80 = 344,638.72/x - Step 3: Cross multiply
817,818.04x = 1,226,923.80 × 344,638.72 - Step 4: Simplify right side
817,818.04x = 422,845,447,969.54 - Step 5: Solve for x
x = 422,845,447,969.54/817,818.04 - Step 6: Final answer
x = 517,040.99
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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.