Finding the Fourth Proportional to 615,545.80, 922,881.30 and 278,747.80
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Solution
The fourth proportional to 615,545.80, 922,881.30 and 278,747.80 is: 417,923.62
Step by Step Solution
- Step 1: Write the proportion equation
615,545.80 : 922,881.30 = 278,747.80 : x - Step 2: Convert to fraction form
615,545.80/922,881.30 = 278,747.80/x - Step 3: Cross multiply
615,545.80x = 922,881.30 × 278,747.80 - Step 4: Simplify right side
615,545.80x = 257,251,132,036.14 - Step 5: Solve for x
x = 257,251,132,036.14/615,545.80 - Step 6: Final answer
x = 417,923.62
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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.