Finding the Fourth Proportional to 938,615.99, 1,407,088.98 and 339,443.94
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Solution
The fourth proportional to 938,615.99, 1,407,088.98 and 339,443.94 is: 508,863.93
Step by Step Solution
- Step 1: Write the proportion equation
938,615.99 : 1,407,088.98 = 339,443.94 : x - Step 2: Convert to fraction form
938,615.99/1,407,088.98 = 339,443.94/x - Step 3: Cross multiply
938,615.99x = 1,407,088.98 × 339,443.94 - Step 4: Simplify right side
938,615.99x = 477,627,818,569.12 - Step 5: Solve for x
x = 477,627,818,569.12/938,615.99 - Step 6: Final answer
x = 508,863.93
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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.