Finding the Fourth Proportional to 549,811.70, 770,842.30 and 549,811.70
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Solution
The fourth proportional to 549,811.70, 770,842.30 and 549,811.70 is: 770,842.30
Step by Step Solution
- Step 1: Write the proportion equation
549,811.70 : 770,842.30 = 549,811.70 : x - Step 2: Convert to fraction form
549,811.70/770,842.30 = 549,811.70/x - Step 3: Cross multiply
549,811.70x = 770,842.30 × 549,811.70 - Step 4: Simplify right side
549,811.70x = 423,818,115,394.91 - Step 5: Solve for x
x = 423,818,115,394.91/549,811.70 - Step 6: Final answer
x = 770,842.30
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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.