Finding the Fourth Proportional to 1,537,000.70, 2,305,501.05 and 471,904.37
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Solution
The fourth proportional to 1,537,000.70, 2,305,501.05 and 471,904.37 is: 707,856.55
Step by Step Solution
- Step 1: Write the proportion equation
1,537,000.70 : 2,305,501.05 = 471,904.37 : x - Step 2: Convert to fraction form
1,537,000.70/2,305,501.05 = 471,904.37/x - Step 3: Cross multiply
1,537,000.70x = 2,305,501.05 × 471,904.37 - Step 4: Simplify right side
1,537,000.70x = 1,087,976,009,007.08 - Step 5: Solve for x
x = 1,087,976,009,007.08/1,537,000.70 - Step 6: Final answer
x = 707,856.55
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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.