Finding the Fourth Proportional to 1,009,351.99, 1,392,808.93 and 556,613.83
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Solution
The fourth proportional to 1,009,351.99, 1,392,808.93 and 556,613.83 is: 768,073.70
Step by Step Solution
- Step 1: Write the proportion equation
1,009,351.99 : 1,392,808.93 = 556,613.83 : x - Step 2: Convert to fraction form
1,009,351.99/1,392,808.93 = 556,613.83/x - Step 3: Cross multiply
1,009,351.99x = 1,392,808.93 × 556,613.83 - Step 4: Simplify right side
1,009,351.99x = 775,256,712,985.50 - Step 5: Solve for x
x = 775,256,712,985.50/1,009,351.99 - Step 6: Final answer
x = 768,073.70
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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.