Finding the Fourth Proportional to 895,334.31, 1,235,564.55 and 487,440.99
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Solution
The fourth proportional to 895,334.31, 1,235,564.55 and 487,440.99 is: 672,670.31
Step by Step Solution
- Step 1: Write the proportion equation
895,334.31 : 1,235,564.55 = 487,440.99 : x - Step 2: Convert to fraction form
895,334.31/1,235,564.55 = 487,440.99/x - Step 3: Cross multiply
895,334.31x = 1,235,564.55 × 487,440.99 - Step 4: Simplify right side
895,334.31x = 602,264,807,460.91 - Step 5: Solve for x
x = 602,264,807,460.91/895,334.31 - Step 6: Final answer
x = 672,670.31
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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.