Finding the Fourth Proportional to 837,681.66, 1,247,048.12 and 832,699.44
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Solution
The fourth proportional to 837,681.66, 1,247,048.12 and 832,699.44 is: 1,239,631.14
Step by Step Solution
- Step 1: Write the proportion equation
837,681.66 : 1,247,048.12 = 832,699.44 : x - Step 2: Convert to fraction form
837,681.66/1,247,048.12 = 832,699.44/x - Step 3: Cross multiply
837,681.66x = 1,247,048.12 × 832,699.44 - Step 4: Simplify right side
837,681.66x = 1,038,416,271,177.05 - Step 5: Solve for x
x = 1,038,416,271,177.05/837,681.66 - Step 6: Final answer
x = 1,239,631.14
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.