Finding the Fourth Proportional to 903,117.55, 1,353,181.65 and 396,920.00
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Solution
The fourth proportional to 903,117.55, 1,353,181.65 and 396,920.00 is: 594,723.08
Step by Step Solution
- Step 1: Write the proportion equation
903,117.55 : 1,353,181.65 = 396,920.00 : x - Step 2: Convert to fraction form
903,117.55/1,353,181.65 = 396,920.00/x - Step 3: Cross multiply
903,117.55x = 1,353,181.65 × 396,920.00 - Step 4: Simplify right side
903,117.55x = 537,104,854,800.86 - Step 5: Solve for x
x = 537,104,854,800.86/903,117.55 - Step 6: Final answer
x = 594,723.08
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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.