Finding the Fourth Proportional to 936,527, 1,292,407.22 and 506,807.08
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Solution
The fourth proportional to 936,527, 1,292,407.22 and 506,807.08 is: 699,393.75
Step by Step Solution
- Step 1: Write the proportion equation
936,527 : 1,292,407.22 = 506,807.08 : x - Step 2: Convert to fraction form
936,527/1,292,407.22 = 506,807.08/x - Step 3: Cross multiply
936,527x = 1,292,407.22 × 506,807.08 - Step 4: Simplify right side
936,527x = 655,001,129,339.12 - Step 5: Solve for x
x = 655,001,129,339.12/936,527 - Step 6: Final answer
x = 699,393.75
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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.