Finding the Fourth Proportional to 953,929.30, 1,316,135.36 and 571,816.66
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Solution
The fourth proportional to 953,929.30, 1,316,135.36 and 571,816.66 is: 788,934.91
Step by Step Solution
- Step 1: Write the proportion equation
953,929.30 : 1,316,135.36 = 571,816.66 : x - Step 2: Convert to fraction form
953,929.30/1,316,135.36 = 571,816.66/x - Step 3: Cross multiply
953,929.30x = 1,316,135.36 × 571,816.66 - Step 4: Simplify right side
953,929.30x = 752,588,125,663.10 - Step 5: Solve for x
x = 752,588,125,663.10/953,929.30 - Step 6: Final answer
x = 788,934.91
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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.