Finding the Fourth Proportional to 875,031.63, 1,312,621.56 and 243,946.05
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Solution
The fourth proportional to 875,031.63, 1,312,621.56 and 243,946.05 is: 365,939.74
Step by Step Solution
- Step 1: Write the proportion equation
875,031.63 : 1,312,621.56 = 243,946.05 : x - Step 2: Convert to fraction form
875,031.63/1,312,621.56 = 243,946.05/x - Step 3: Cross multiply
875,031.63x = 1,312,621.56 × 243,946.05 - Step 4: Simplify right side
875,031.63x = 320,208,844,706.84 - Step 5: Solve for x
x = 320,208,844,706.84/875,031.63 - Step 6: Final answer
x = 365,939.74
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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.