Finding the Fourth Proportional to 570,887.10, 857,643.39 and 402,794.82
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Solution
The fourth proportional to 570,887.10, 857,643.39 and 402,794.82 is: 605,118.45
Step by Step Solution
- Step 1: Write the proportion equation
570,887.10 : 857,643.39 = 402,794.82 : x - Step 2: Convert to fraction form
570,887.10/857,643.39 = 402,794.82/x - Step 3: Cross multiply
570,887.10x = 857,643.39 × 402,794.82 - Step 4: Simplify right side
570,887.10x = 345,454,314,899.24 - Step 5: Solve for x
x = 345,454,314,899.24/570,887.10 - Step 6: Final answer
x = 605,118.45
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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.