Finding the Fourth Proportional to 799,417.44, 1,103,258.98 and 455,267.94
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Solution
The fourth proportional to 799,417.44, 1,103,258.98 and 455,267.94 is: 628,305.59
Step by Step Solution
- Step 1: Write the proportion equation
799,417.44 : 1,103,258.98 = 455,267.94 : x - Step 2: Convert to fraction form
799,417.44/1,103,258.98 = 455,267.94/x - Step 3: Cross multiply
799,417.44x = 1,103,258.98 × 455,267.94 - Step 4: Simplify right side
799,417.44x = 502,278,443,111.10 - Step 5: Solve for x
x = 502,278,443,111.10/799,417.44 - Step 6: Final answer
x = 628,305.59
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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.