Finding the Fourth Proportional to 553,313.70, 828,658.35 and 553,313.70
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Solution
The fourth proportional to 553,313.70, 828,658.35 and 553,313.70 is: 828,658.35
Step by Step Solution
- Step 1: Write the proportion equation
553,313.70 : 828,658.35 = 553,313.70 : x - Step 2: Convert to fraction form
553,313.70/828,658.35 = 553,313.70/x - Step 3: Cross multiply
553,313.70x = 828,658.35 × 553,313.70 - Step 4: Simplify right side
553,313.70x = 458,508,017,674.40 - Step 5: Solve for x
x = 458,508,017,674.40/553,313.70 - Step 6: Final answer
x = 828,658.35
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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.