Finding the Fourth Proportional to 1,028,645.67, 1,543,113.18 and 429,470.58
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Solution
The fourth proportional to 1,028,645.67, 1,543,113.18 and 429,470.58 is: 644,266.27
Step by Step Solution
- Step 1: Write the proportion equation
1,028,645.67 : 1,543,113.18 = 429,470.58 : x - Step 2: Convert to fraction form
1,028,645.67/1,543,113.18 = 429,470.58/x - Step 3: Cross multiply
1,028,645.67x = 1,543,113.18 × 429,470.58 - Step 4: Simplify right side
1,028,645.67x = 662,721,712,420.24 - Step 5: Solve for x
x = 662,721,712,420.24/1,028,645.67 - Step 6: Final answer
x = 644,266.27
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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.