Finding the Fourth Proportional to 690,722.99, 952,854.87 and 461,587.62
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Solution
The fourth proportional to 690,722.99, 952,854.87 and 461,587.62 is: 636,761.80
Step by Step Solution
- Step 1: Write the proportion equation
690,722.99 : 952,854.87 = 461,587.62 : x - Step 2: Convert to fraction form
690,722.99/952,854.87 = 461,587.62/x - Step 3: Cross multiply
690,722.99x = 952,854.87 × 461,587.62 - Step 4: Simplify right side
690,722.99x = 439,826,011,648.71 - Step 5: Solve for x
x = 439,826,011,648.71/690,722.99 - Step 6: Final answer
x = 636,761.80
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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.