Finding the Fourth Proportional to 630,599.94, 870,246.36 and 344,138.40
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Solution
The fourth proportional to 630,599.94, 870,246.36 and 344,138.40 is: 474,921.06
Step by Step Solution
- Step 1: Write the proportion equation
630,599.94 : 870,246.36 = 344,138.40 : x - Step 2: Convert to fraction form
630,599.94/870,246.36 = 344,138.40/x - Step 3: Cross multiply
630,599.94x = 870,246.36 × 344,138.40 - Step 4: Simplify right side
630,599.94x = 299,485,189,936.22 - Step 5: Solve for x
x = 299,485,189,936.22/630,599.94 - Step 6: Final answer
x = 474,921.06
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.