Finding the Fourth Proportional to 539,324.70, 808,987.05 and 506,082.30
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Solution
The fourth proportional to 539,324.70, 808,987.05 and 506,082.30 is: 759,123.45
Step by Step Solution
- Step 1: Write the proportion equation
539,324.70 : 808,987.05 = 506,082.30 : x - Step 2: Convert to fraction form
539,324.70/808,987.05 = 506,082.30/x - Step 3: Cross multiply
539,324.70x = 808,987.05 × 506,082.30 - Step 4: Simplify right side
539,324.70x = 409,414,026,934.22 - Step 5: Solve for x
x = 409,414,026,934.22/539,324.70 - Step 6: Final answer
x = 759,123.45
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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.