Finding the Fourth Proportional to 761,424.20, 1,050,372.34 and 516,326.08
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Solution
The fourth proportional to 761,424.20, 1,050,372.34 and 516,326.08 is: 712,263.46
Step by Step Solution
- Step 1: Write the proportion equation
761,424.20 : 1,050,372.34 = 516,326.08 : x - Step 2: Convert to fraction form
761,424.20/1,050,372.34 = 516,326.08/x - Step 3: Cross multiply
761,424.20x = 1,050,372.34 × 516,326.08 - Step 4: Simplify right side
761,424.20x = 542,334,632,852.63 - Step 5: Solve for x
x = 542,334,632,852.63/761,424.20 - Step 6: Final answer
x = 712,263.46
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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.