Finding the Fourth Proportional to 660,038.24, 910,853.36 and 358,232.24
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Solution
The fourth proportional to 660,038.24, 910,853.36 and 358,232.24 is: 494,360.80
Step by Step Solution
- Step 1: Write the proportion equation
660,038.24 : 910,853.36 = 358,232.24 : x - Step 2: Convert to fraction form
660,038.24/910,853.36 = 358,232.24/x - Step 3: Cross multiply
660,038.24x = 910,853.36 × 358,232.24 - Step 4: Simplify right side
660,038.24x = 326,297,033,118.90 - Step 5: Solve for x
x = 326,297,033,118.90/660,038.24 - Step 6: Final answer
x = 494,360.80
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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.