Finding the Fourth Proportional to 542,823.70, 814,235.55 and 507,831.70
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Solution
The fourth proportional to 542,823.70, 814,235.55 and 507,831.70 is: 761,747.55
Step by Step Solution
- Step 1: Write the proportion equation
542,823.70 : 814,235.55 = 507,831.70 : x - Step 2: Convert to fraction form
542,823.70/814,235.55 = 507,831.70/x - Step 3: Cross multiply
542,823.70x = 814,235.55 × 507,831.70 - Step 4: Simplify right side
542,823.70x = 413,494,623,556.94 - Step 5: Solve for x
x = 413,494,623,556.94/542,823.70 - Step 6: Final answer
x = 761,747.55
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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.