Finding the Fourth Proportional to 909,011.84, 1,256,703.68 and 682,263.68
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Solution
The fourth proportional to 909,011.84, 1,256,703.68 and 682,263.68 is: 943,225.64
Step by Step Solution
- Step 1: Write the proportion equation
909,011.84 : 1,256,703.68 = 682,263.68 : x - Step 2: Convert to fraction form
909,011.84/1,256,703.68 = 682,263.68/x - Step 3: Cross multiply
909,011.84x = 1,256,703.68 × 682,263.68 - Step 4: Simplify right side
909,011.84x = 857,403,277,386.34 - Step 5: Solve for x
x = 857,403,277,386.34/909,011.84 - Step 6: Final answer
x = 943,225.64
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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.