Finding the Fourth Proportional to 913,569.79, 1,370,347.12 and 714,057.88
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Solution
The fourth proportional to 913,569.79, 1,370,347.12 and 714,057.88 is: 1,071,080.91
Step by Step Solution
- Step 1: Write the proportion equation
913,569.79 : 1,370,347.12 = 714,057.88 : x - Step 2: Convert to fraction form
913,569.79/1,370,347.12 = 714,057.88/x - Step 3: Cross multiply
913,569.79x = 1,370,347.12 × 714,057.88 - Step 4: Simplify right side
913,569.79x = 978,507,159,371.31 - Step 5: Solve for x
x = 978,507,159,371.31/913,569.79 - Step 6: Final answer
x = 1,071,080.91
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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.