Finding the Fourth Proportional to 649,675.40, 974,513.10 and 471,345.80
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Solution
The fourth proportional to 649,675.40, 974,513.10 and 471,345.80 is: 707,018.70
Step by Step Solution
- Step 1: Write the proportion equation
649,675.40 : 974,513.10 = 471,345.80 : x - Step 2: Convert to fraction form
649,675.40/974,513.10 = 471,345.80/x - Step 3: Cross multiply
649,675.40x = 974,513.10 × 471,345.80 - Step 4: Simplify right side
649,675.40x = 459,332,656,729.98 - Step 5: Solve for x
x = 459,332,656,729.98/649,675.40 - Step 6: Final answer
x = 707,018.70
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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.