Finding the Fourth Proportional to 619,235.70, 928,853.55 and 370,403.70
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Solution
The fourth proportional to 619,235.70, 928,853.55 and 370,403.70 is: 555,605.55
Step by Step Solution
- Step 1: Write the proportion equation
619,235.70 : 928,853.55 = 370,403.70 : x - Step 2: Convert to fraction form
619,235.70/928,853.55 = 370,403.70/x - Step 3: Cross multiply
619,235.70x = 928,853.55 × 370,403.70 - Step 4: Simplify right side
619,235.70x = 344,050,791,678.14 - Step 5: Solve for x
x = 344,050,791,678.14/619,235.70 - Step 6: Final answer
x = 555,605.55
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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.