Finding the Fourth Proportional to 942,386.36, 1,413,573.06 and 381,412.76
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Solution
The fourth proportional to 942,386.36, 1,413,573.06 and 381,412.76 is: 572,116.52
Step by Step Solution
- Step 1: Write the proportion equation
942,386.36 : 1,413,573.06 = 381,412.76 : x - Step 2: Convert to fraction form
942,386.36/1,413,573.06 = 381,412.76/x - Step 3: Cross multiply
942,386.36x = 1,413,573.06 × 381,412.76 - Step 4: Simplify right side
942,386.36x = 539,154,802,276.25 - Step 5: Solve for x
x = 539,154,802,276.25/942,386.36 - Step 6: Final answer
x = 572,116.52
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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.