Finding the Fourth Proportional to 930,831.65, 1,284,565.10 and 517,407.24
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Solution
The fourth proportional to 930,831.65, 1,284,565.10 and 517,407.24 is: 714,031.68
Step by Step Solution
- Step 1: Write the proportion equation
930,831.65 : 1,284,565.10 = 517,407.24 : x - Step 2: Convert to fraction form
930,831.65/1,284,565.10 = 517,407.24/x - Step 3: Cross multiply
930,831.65x = 1,284,565.10 × 517,407.24 - Step 4: Simplify right side
930,831.65x = 664,643,280,404.29 - Step 5: Solve for x
x = 664,643,280,404.29/930,831.65 - Step 6: Final answer
x = 714,031.68
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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.