Finding the Fourth Proportional to 1,480,809.31, 2,221,214.00 and 358,878.31
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Solution
The fourth proportional to 1,480,809.31, 2,221,214.00 and 358,878.31 is: 538,317.48
Step by Step Solution
- Step 1: Write the proportion equation
1,480,809.31 : 2,221,214.00 = 358,878.31 : x - Step 2: Convert to fraction form
1,480,809.31/2,221,214.00 = 358,878.31/x - Step 3: Cross multiply
1,480,809.31x = 2,221,214.00 × 358,878.31 - Step 4: Simplify right side
1,480,809.31x = 797,145,531,615.24 - Step 5: Solve for x
x = 797,145,531,615.24/1,480,809.31 - Step 6: Final answer
x = 538,317.48
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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.