Finding the Fourth Proportional to 970,461.34, 1,455,828.12 and 339,231.58
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Solution
The fourth proportional to 970,461.34, 1,455,828.12 and 339,231.58 is: 508,894.95
Step by Step Solution
- Step 1: Write the proportion equation
970,461.34 : 1,455,828.12 = 339,231.58 : x - Step 2: Convert to fraction form
970,461.34/1,455,828.12 = 339,231.58/x - Step 3: Cross multiply
970,461.34x = 1,455,828.12 × 339,231.58 - Step 4: Simplify right side
970,461.34x = 493,862,873,356.03 - Step 5: Solve for x
x = 493,862,873,356.03/970,461.34 - Step 6: Final answer
x = 508,894.95
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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.