Finding the Fourth Proportional to 875,715.99, 1,208,487.51 and 473,307.99
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Solution
The fourth proportional to 875,715.99, 1,208,487.51 and 473,307.99 is: 653,164.72
Step by Step Solution
- Step 1: Write the proportion equation
875,715.99 : 1,208,487.51 = 473,307.99 : x - Step 2: Convert to fraction form
875,715.99/1,208,487.51 = 473,307.99/x - Step 3: Cross multiply
875,715.99x = 1,208,487.51 × 473,307.99 - Step 4: Simplify right side
875,715.99x = 571,986,788,255.77 - Step 5: Solve for x
x = 571,986,788,255.77/875,715.99 - Step 6: Final answer
x = 653,164.72
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1.5x scale
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.