Finding the Fourth Proportional to 555,484.80, 828,349.44 and 550,432.80
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Solution
The fourth proportional to 555,484.80, 828,349.44 and 550,432.80 is: 820,815.80
Step by Step Solution
- Step 1: Write the proportion equation
555,484.80 : 828,349.44 = 550,432.80 : x - Step 2: Convert to fraction form
555,484.80/828,349.44 = 550,432.80/x - Step 3: Cross multiply
555,484.80x = 828,349.44 × 550,432.80 - Step 4: Simplify right side
555,484.80x = 455,950,701,637.63 - Step 5: Solve for x
x = 455,950,701,637.63/555,484.80 - Step 6: Final answer
x = 820,815.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.