Finding the Fourth Proportional to 532,710.98, 735,129.07 and 290,994.63
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Solution
The fourth proportional to 532,710.98, 735,129.07 and 290,994.63 is: 401,565.98
Step by Step Solution
- Step 1: Write the proportion equation
532,710.98 : 735,129.07 = 290,994.63 : x - Step 2: Convert to fraction form
532,710.98/735,129.07 = 290,994.63/x - Step 3: Cross multiply
532,710.98x = 735,129.07 × 290,994.63 - Step 4: Simplify right side
532,710.98x = 213,918,608,242.67 - Step 5: Solve for x
x = 213,918,608,242.67/532,710.98 - Step 6: Final answer
x = 401,565.98
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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.