Finding the Fourth Proportional to 832,403.06, 1,148,719.24 and 450,429.84
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Solution
The fourth proportional to 832,403.06, 1,148,719.24 and 450,429.84 is: 621,594.81
Step by Step Solution
- Step 1: Write the proportion equation
832,403.06 : 1,148,719.24 = 450,429.84 : x - Step 2: Convert to fraction form
832,403.06/1,148,719.24 = 450,429.84/x - Step 3: Cross multiply
832,403.06x = 1,148,719.24 × 450,429.84 - Step 4: Simplify right side
832,403.06x = 517,417,423,478.12 - Step 5: Solve for x
x = 517,417,423,478.12/832,403.06 - Step 6: Final answer
x = 621,594.81
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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.