Finding the Fourth Proportional to 938,490.84, 1,408,088.07 and 433,293.84
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Solution
The fourth proportional to 938,490.84, 1,408,088.07 and 433,293.84 is: 650,103.19
Step by Step Solution
- Step 1: Write the proportion equation
938,490.84 : 1,408,088.07 = 433,293.84 : x - Step 2: Convert to fraction form
938,490.84/1,408,088.07 = 433,293.84/x - Step 3: Cross multiply
938,490.84x = 1,408,088.07 × 433,293.84 - Step 4: Simplify right side
938,490.84x = 610,115,886,908.49 - Step 5: Solve for x
x = 610,115,886,908.49/938,490.84 - Step 6: Final answer
x = 650,103.19
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.