Finding the Fourth Proportional to 439,501.10, 657,502.05 and 380,986.70
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Solution
The fourth proportional to 439,501.10, 657,502.05 and 380,986.70 is: 569,963.39
Step by Step Solution
- Step 1: Write the proportion equation
439,501.10 : 657,502.05 = 380,986.70 : x - Step 2: Convert to fraction form
439,501.10/657,502.05 = 380,986.70/x - Step 3: Cross multiply
439,501.10x = 657,502.05 × 380,986.70 - Step 4: Simplify right side
439,501.10x = 250,499,536,272.74 - Step 5: Solve for x
x = 250,499,536,272.74/439,501.10 - Step 6: Final answer
x = 569,963.39
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.