Finding the Fourth Proportional to 637,643.70, 956,465.55 and 637,643.70
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Solution
The fourth proportional to 637,643.70, 956,465.55 and 637,643.70 is: 956,465.55
Step by Step Solution
- Step 1: Write the proportion equation
637,643.70 : 956,465.55 = 637,643.70 : x - Step 2: Convert to fraction form
637,643.70/956,465.55 = 637,643.70/x - Step 3: Cross multiply
637,643.70x = 956,465.55 × 637,643.70 - Step 4: Simplify right side
637,643.70x = 609,884,232,224.54 - Step 5: Solve for x
x = 609,884,232,224.54/637,643.70 - Step 6: Final answer
x = 956,465.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.