Finding the Fourth Proportional to 783,670.10, 1,173,536.85 and 515,981.30
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Solution
The fourth proportional to 783,670.10, 1,173,536.85 and 515,981.30 is: 772,675.99
Step by Step Solution
- Step 1: Write the proportion equation
783,670.10 : 1,173,536.85 = 515,981.30 : x - Step 2: Convert to fraction form
783,670.10/1,173,536.85 = 515,981.30/x - Step 3: Cross multiply
783,670.10x = 1,173,536.85 × 515,981.30 - Step 4: Simplify right side
783,670.10x = 605,523,069,460.91 - Step 5: Solve for x
x = 605,523,069,460.91/783,670.10 - Step 6: Final answer
x = 772,675.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.