Finding the Fourth Proportional to 712,577.99, 1,068,965.40 and 239,398.67
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Solution
The fourth proportional to 712,577.99, 1,068,965.40 and 239,398.67 is: 359,131.07
Step by Step Solution
- Step 1: Write the proportion equation
712,577.99 : 1,068,965.40 = 239,398.67 : x - Step 2: Convert to fraction form
712,577.99/1,068,965.40 = 239,398.67/x - Step 3: Cross multiply
712,577.99x = 1,068,965.40 × 239,398.67 - Step 4: Simplify right side
712,577.99x = 255,908,895,036.02 - Step 5: Solve for x
x = 255,908,895,036.02/712,577.99 - Step 6: Final answer
x = 359,131.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.