Finding the Fourth Proportional to 567,441.36, 783,058.38 and 309,320.68
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Solution
The fourth proportional to 567,441.36, 783,058.38 and 309,320.68 is: 426,856.71
Step by Step Solution
- Step 1: Write the proportion equation
567,441.36 : 783,058.38 = 309,320.68 : x - Step 2: Convert to fraction form
567,441.36/783,058.38 = 309,320.68/x - Step 3: Cross multiply
567,441.36x = 783,058.38 × 309,320.68 - Step 4: Simplify right side
567,441.36x = 242,216,149,034.70 - Step 5: Solve for x
x = 242,216,149,034.70/567,441.36 - Step 6: Final answer
x = 426,856.71
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1.5x scale
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.