Finding the Fourth Proportional to 905,501.16, 1,249,071.26 and 565,378.92
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Solution
The fourth proportional to 905,501.16, 1,249,071.26 and 565,378.92 is: 779,898.02
Step by Step Solution
- Step 1: Write the proportion equation
905,501.16 : 1,249,071.26 = 565,378.92 : x - Step 2: Convert to fraction form
905,501.16/1,249,071.26 = 565,378.92/x - Step 3: Cross multiply
905,501.16x = 1,249,071.26 × 565,378.92 - Step 4: Simplify right side
905,501.16x = 706,198,559,981.84 - Step 5: Solve for x
x = 706,198,559,981.84/905,501.16 - Step 6: Final answer
x = 779,898.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.