Finding the Fourth Proportional to 817,322.98, 1,127,772.79 and 454,737.52
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Solution
The fourth proportional to 817,322.98, 1,127,772.79 and 454,737.52 is: 627,463.82
Step by Step Solution
- Step 1: Write the proportion equation
817,322.98 : 1,127,772.79 = 454,737.52 : x - Step 2: Convert to fraction form
817,322.98/1,127,772.79 = 454,737.52/x - Step 3: Cross multiply
817,322.98x = 1,127,772.79 × 454,737.52 - Step 4: Simplify right side
817,322.98x = 512,840,601,648.08 - Step 5: Solve for x
x = 512,840,601,648.08/817,322.98 - Step 6: Final answer
x = 627,463.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.