Finding the Fourth Proportional to 832,572.24, 1,148,953.08 and 450,598.92
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Solution
The fourth proportional to 832,572.24, 1,148,953.08 and 450,598.92 is: 621,828.34
Step by Step Solution
- Step 1: Write the proportion equation
832,572.24 : 1,148,953.08 = 450,598.92 : x - Step 2: Convert to fraction form
832,572.24/1,148,953.08 = 450,598.92/x - Step 3: Cross multiply
832,572.24x = 1,148,953.08 × 450,598.92 - Step 4: Simplify right side
832,572.24x = 517,717,016,978.67 - Step 5: Solve for x
x = 517,717,016,978.67/832,572.24 - Step 6: Final answer
x = 621,828.34
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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.