Finding the Fourth Proportional to 706,994.19, 975,643.78 and 384,698.74
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Solution
The fourth proportional to 706,994.19, 975,643.78 and 384,698.74 is: 530,879.79
Step by Step Solution
- Step 1: Write the proportion equation
706,994.19 : 975,643.78 = 384,698.74 : x - Step 2: Convert to fraction form
706,994.19/975,643.78 = 384,698.74/x - Step 3: Cross multiply
706,994.19x = 975,643.78 × 384,698.74 - Step 4: Simplify right side
706,994.19x = 375,328,926,053.13 - Step 5: Solve for x
x = 375,328,926,053.13/706,994.19 - Step 6: Final answer
x = 530,879.79
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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.