Finding the Fourth Proportional to 524,216.80, 785,158.80 and 430,904.80
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Solution
The fourth proportional to 524,216.80, 785,158.80 and 430,904.80 is: 645,398.42
Step by Step Solution
- Step 1: Write the proportion equation
524,216.80 : 785,158.80 = 430,904.80 : x - Step 2: Convert to fraction form
524,216.80/785,158.80 = 430,904.80/x - Step 3: Cross multiply
524,216.80x = 785,158.80 × 430,904.80 - Step 4: Simplify right side
524,216.80x = 338,328,695,682.24 - Step 5: Solve for x
x = 338,328,695,682.24/524,216.80 - Step 6: Final answer
x = 645,398.42
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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.