Finding the Fourth Proportional to 712,862.29, 1,069,307.08 and 233,091.88
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Solution
The fourth proportional to 712,862.29, 1,069,307.08 and 233,091.88 is: 349,642.28
Step by Step Solution
- Step 1: Write the proportion equation
712,862.29 : 1,069,307.08 = 233,091.88 : x - Step 2: Convert to fraction form
712,862.29/1,069,307.08 = 233,091.88/x - Step 3: Cross multiply
712,862.29x = 1,069,307.08 × 233,091.88 - Step 4: Simplify right side
712,862.29x = 249,246,791,645.25 - Step 5: Solve for x
x = 249,246,791,645.25/712,862.29 - Step 6: Final answer
x = 349,642.28
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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.