Finding the Fourth Proportional to 936,541.68, 1,292,430.75 and 506,821.71
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Solution
The fourth proportional to 936,541.68, 1,292,430.75 and 506,821.71 is: 699,415.71
Step by Step Solution
- Step 1: Write the proportion equation
936,541.68 : 1,292,430.75 = 506,821.71 : x - Step 2: Convert to fraction form
936,541.68/1,292,430.75 = 506,821.71/x - Step 3: Cross multiply
936,541.68x = 1,292,430.75 × 506,821.71 - Step 4: Simplify right side
936,541.68x = 655,031,962,771.58 - Step 5: Solve for x
x = 655,031,962,771.58/936,541.68 - Step 6: Final answer
x = 699,415.71
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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.