Finding the Fourth Proportional to 552,925.80, 829,388.70 and 272,989.80
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Solution
The fourth proportional to 552,925.80, 829,388.70 and 272,989.80 is: 409,484.70
Step by Step Solution
- Step 1: Write the proportion equation
552,925.80 : 829,388.70 = 272,989.80 : x - Step 2: Convert to fraction form
552,925.80/829,388.70 = 272,989.80/x - Step 3: Cross multiply
552,925.80x = 829,388.70 × 272,989.80 - Step 4: Simplify right side
552,925.80x = 226,414,655,335.26 - Step 5: Solve for x
x = 226,414,655,335.26/552,925.80 - Step 6: Final answer
x = 409,484.70
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1.5x scale
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.