Finding the Fourth Proportional to 986,176.91, 1,479,349.70 and 346,424.74
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Solution
The fourth proportional to 986,176.91, 1,479,349.70 and 346,424.74 is: 519,666.74
Step by Step Solution
- Step 1: Write the proportion equation
986,176.91 : 1,479,349.70 = 346,424.74 : x - Step 2: Convert to fraction form
986,176.91/1,479,349.70 = 346,424.74/x - Step 3: Cross multiply
986,176.91x = 1,479,349.70 × 346,424.74 - Step 4: Simplify right side
986,176.91x = 512,483,335,191.58 - Step 5: Solve for x
x = 512,483,335,191.58/986,176.91 - Step 6: Final answer
x = 519,666.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.