Finding the Fourth Proportional to 619,347.68, 854,708.88 and 347,475.68
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Solution
The fourth proportional to 619,347.68, 854,708.88 and 347,475.68 is: 479,521.53
Step by Step Solution
- Step 1: Write the proportion equation
619,347.68 : 854,708.88 = 347,475.68 : x - Step 2: Convert to fraction form
619,347.68/854,708.88 = 347,475.68/x - Step 3: Cross multiply
619,347.68x = 854,708.88 × 347,475.68 - Step 4: Simplify right side
619,347.68x = 296,990,549,280.04 - Step 5: Solve for x
x = 296,990,549,280.04/619,347.68 - Step 6: Final answer
x = 479,521.53
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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.