Finding the Fourth Proportional to 704,530.50, 972,252.09 and 402,730.98
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Solution
The fourth proportional to 704,530.50, 972,252.09 and 402,730.98 is: 555,768.75
Step by Step Solution
- Step 1: Write the proportion equation
704,530.50 : 972,252.09 = 402,730.98 : x - Step 2: Convert to fraction form
704,530.50/972,252.09 = 402,730.98/x - Step 3: Cross multiply
704,530.50x = 972,252.09 × 402,730.98 - Step 4: Simplify right side
704,530.50x = 391,556,037,012.75 - Step 5: Solve for x
x = 391,556,037,012.75/704,530.50 - Step 6: Final answer
x = 555,768.75
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1.5x scale
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.