Finding the Fourth Proportional to 947,368.16, 1,307,366.73 and 539,470.11
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Solution
The fourth proportional to 947,368.16, 1,307,366.73 and 539,470.11 is: 744,467.99
Step by Step Solution
- Step 1: Write the proportion equation
947,368.16 : 1,307,366.73 = 539,470.11 : x - Step 2: Convert to fraction form
947,368.16/1,307,366.73 = 539,470.11/x - Step 3: Cross multiply
947,368.16x = 1,307,366.73 × 539,470.11 - Step 4: Simplify right side
947,368.16x = 705,285,272,570.98 - Step 5: Solve for x
x = 705,285,272,570.98/947,368.16 - Step 6: Final answer
x = 744,467.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.