Finding the Fourth Proportional to 912,834.56, 1,367,627.99 and 778,350.47
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Solution
The fourth proportional to 912,834.56, 1,367,627.99 and 778,350.47 is: 1,166,141.08
Step by Step Solution
- Step 1: Write the proportion equation
912,834.56 : 1,367,627.99 = 778,350.47 : x - Step 2: Convert to fraction form
912,834.56/1,367,627.99 = 778,350.47/x - Step 3: Cross multiply
912,834.56x = 1,367,627.99 × 778,350.47 - Step 4: Simplify right side
912,834.56x = 1,064,493,878,071.76 - Step 5: Solve for x
x = 1,064,493,878,071.76/912,834.56 - Step 6: Final answer
x = 1,166,141.08
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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.