Finding the Fourth Proportional to 615,548.80, 922,885.80 and 278,750.80
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Solution
The fourth proportional to 615,548.80, 922,885.80 and 278,750.80 is: 417,928.12
Step by Step Solution
- Step 1: Write the proportion equation
615,548.80 : 922,885.80 = 278,750.80 : x - Step 2: Convert to fraction form
615,548.80/922,885.80 = 278,750.80/x - Step 3: Cross multiply
615,548.80x = 922,885.80 × 278,750.80 - Step 4: Simplify right side
615,548.80x = 257,255,155,058.64 - Step 5: Solve for x
x = 257,255,155,058.64/615,548.80 - Step 6: Final answer
x = 417,928.12
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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.