Finding the Fourth Proportional to 740,643.24, 1,021,678.41 and 602,970.28
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Solution
The fourth proportional to 740,643.24, 1,021,678.41 and 602,970.28 is: 831,765.80
Step by Step Solution
- Step 1: Write the proportion equation
740,643.24 : 1,021,678.41 = 602,970.28 : x - Step 2: Convert to fraction form
740,643.24/1,021,678.41 = 602,970.28/x - Step 3: Cross multiply
740,643.24x = 1,021,678.41 × 602,970.28 - Step 4: Simplify right side
740,643.24x = 616,041,716,654.60 - Step 5: Solve for x
x = 616,041,716,654.60/740,643.24 - Step 6: Final answer
x = 831,765.80
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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.