Finding the Fourth Proportional to 530,014.08, 731,471.04 and 395,644.80
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Solution
The fourth proportional to 530,014.08, 731,471.04 and 395,644.80 is: 546,028.35
Step by Step Solution
- Step 1: Write the proportion equation
530,014.08 : 731,471.04 = 395,644.80 : x - Step 2: Convert to fraction form
530,014.08/731,471.04 = 395,644.80/x - Step 3: Cross multiply
530,014.08x = 731,471.04 × 395,644.80 - Step 4: Simplify right side
530,014.08x = 289,402,713,326.59 - Step 5: Solve for x
x = 289,402,713,326.59/530,014.08 - Step 6: Final answer
x = 546,028.35
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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.