Finding the Fourth Proportional to 615,027.80, 922,541.70 and 349,307.30
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Solution
The fourth proportional to 615,027.80, 922,541.70 and 349,307.30 is: 523,960.95
Step by Step Solution
- Step 1: Write the proportion equation
615,027.80 : 922,541.70 = 349,307.30 : x - Step 2: Convert to fraction form
615,027.80/922,541.70 = 349,307.30/x - Step 3: Cross multiply
615,027.80x = 922,541.70 × 349,307.30 - Step 4: Simplify right side
615,027.80x = 322,250,550,364.41 - Step 5: Solve for x
x = 322,250,550,364.41/615,027.80 - Step 6: Final answer
x = 523,960.95
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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.