Finding the Fourth Proportional to 708,044.70, 978,344.55 and 565,977.18
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Solution
The fourth proportional to 708,044.70, 978,344.55 and 565,977.18 is: 782,041.99
Step by Step Solution
- Step 1: Write the proportion equation
708,044.70 : 978,344.55 = 565,977.18 : x - Step 2: Convert to fraction form
708,044.70/978,344.55 = 565,977.18/x - Step 3: Cross multiply
708,044.70x = 978,344.55 × 565,977.18 - Step 4: Simplify right side
708,044.70x = 553,720,689,477.37 - Step 5: Solve for x
x = 553,720,689,477.37/708,044.70 - Step 6: Final answer
x = 782,041.99
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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.