Finding the Fourth Proportional to 709,603.12, 1,064,574.15 and 236,292.58
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Solution
The fourth proportional to 709,603.12, 1,064,574.15 and 236,292.58 is: 354,495.30
Step by Step Solution
- Step 1: Write the proportion equation
709,603.12 : 1,064,574.15 = 236,292.58 : x - Step 2: Convert to fraction form
709,603.12/1,064,574.15 = 236,292.58/x - Step 3: Cross multiply
709,603.12x = 1,064,574.15 × 236,292.58 - Step 4: Simplify right side
709,603.12x = 251,550,972,504.81 - Step 5: Solve for x
x = 251,550,972,504.81/709,603.12 - Step 6: Final answer
x = 354,495.30
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1.5x scale
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.