Finding the Fourth Proportional to 869,973.96, 1,305,468.98 and 364,491.74
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Solution
The fourth proportional to 869,973.96, 1,305,468.98 and 364,491.74 is: 546,950.46
Step by Step Solution
- Step 1: Write the proportion equation
869,973.96 : 1,305,468.98 = 364,491.74 : x - Step 2: Convert to fraction form
869,973.96/1,305,468.98 = 364,491.74/x - Step 3: Cross multiply
869,973.96x = 1,305,468.98 × 364,491.74 - Step 4: Simplify right side
869,973.96x = 475,832,660,036.23 - Step 5: Solve for x
x = 475,832,660,036.23/869,973.96 - Step 6: Final answer
x = 546,950.46
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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.