Finding the Fourth Proportional to 611,898.44, 841,425.18 and 531,184.76
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Solution
The fourth proportional to 611,898.44, 841,425.18 and 531,184.76 is: 730,435.32
Step by Step Solution
- Step 1: Write the proportion equation
611,898.44 : 841,425.18 = 531,184.76 : x - Step 2: Convert to fraction form
611,898.44/841,425.18 = 531,184.76/x - Step 3: Cross multiply
611,898.44x = 841,425.18 × 531,184.76 - Step 4: Simplify right side
611,898.44x = 446,952,232,296.26 - Step 5: Solve for x
x = 446,952,232,296.26/611,898.44 - Step 6: Final answer
x = 730,435.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.