Finding the Fourth Proportional to 598,648.32, 898,128.16 and 299,116.80
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Solution
The fourth proportional to 598,648.32, 898,128.16 and 299,116.80 is: 448,752.99
Step by Step Solution
- Step 1: Write the proportion equation
598,648.32 : 898,128.16 = 299,116.80 : x - Step 2: Convert to fraction form
598,648.32/898,128.16 = 299,116.80/x - Step 3: Cross multiply
598,648.32x = 898,128.16 × 299,116.80 - Step 4: Simplify right side
598,648.32x = 268,645,221,209.09 - Step 5: Solve for x
x = 268,645,221,209.09/598,648.32 - Step 6: Final answer
x = 448,752.99
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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.