Finding the Fourth Proportional to 938,540.79, 1,407,811.14 and 432,952.17
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Solution
The fourth proportional to 938,540.79, 1,407,811.14 and 432,952.17 is: 649,428.23
Step by Step Solution
- Step 1: Write the proportion equation
938,540.79 : 1,407,811.14 = 432,952.17 : x - Step 2: Convert to fraction form
938,540.79/1,407,811.14 = 432,952.17/x - Step 3: Cross multiply
938,540.79x = 1,407,811.14 × 432,952.17 - Step 4: Simplify right side
938,540.79x = 609,514,888,013.17 - Step 5: Solve for x
x = 609,514,888,013.17/938,540.79 - Step 6: Final answer
x = 649,428.23
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.