Finding the Fourth Proportional to 475,888.95, 712,430.96 and 416,839.95
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Solution
The fourth proportional to 475,888.95, 712,430.96 and 416,839.95 is: 624,031.48
Step by Step Solution
- Step 1: Write the proportion equation
475,888.95 : 712,430.96 = 416,839.95 : x - Step 2: Convert to fraction form
475,888.95/712,430.96 = 416,839.95/x - Step 3: Cross multiply
475,888.95x = 712,430.96 × 416,839.95 - Step 4: Simplify right side
475,888.95x = 296,969,683,660.65 - Step 5: Solve for x
x = 296,969,683,660.65/475,888.95 - Step 6: Final answer
x = 624,031.48
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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.