Finding the Fourth Proportional to 656,929.66, 906,809.44 and 430,589.74
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Solution
The fourth proportional to 656,929.66, 906,809.44 and 430,589.74 is: 594,375.42
Step by Step Solution
- Step 1: Write the proportion equation
656,929.66 : 906,809.44 = 430,589.74 : x - Step 2: Convert to fraction form
656,929.66/906,809.44 = 430,589.74/x - Step 3: Cross multiply
656,929.66x = 906,809.44 × 430,589.74 - Step 4: Simplify right side
656,929.66x = 390,462,840,999.15 - Step 5: Solve for x
x = 390,462,840,999.15/656,929.66 - Step 6: Final answer
x = 594,375.42
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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.