Finding the Fourth Proportional to 761,259.08, 1,050,460.97 and 421,663.88
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Solution
The fourth proportional to 761,259.08, 1,050,460.97 and 421,663.88 is: 581,853.75
Step by Step Solution
- Step 1: Write the proportion equation
761,259.08 : 1,050,460.97 = 421,663.88 : x - Step 2: Convert to fraction form
761,259.08/1,050,460.97 = 421,663.88/x - Step 3: Cross multiply
761,259.08x = 1,050,460.97 × 421,663.88 - Step 4: Simplify right side
761,259.08x = 442,941,448,398.76 - Step 5: Solve for x
x = 442,941,448,398.76/761,259.08 - Step 6: Final answer
x = 581,853.75
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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.