Finding the Fourth Proportional to 542,962.08, 749,354.16 and 313,518.78
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Solution
The fourth proportional to 542,962.08, 749,354.16 and 313,518.78 is: 432,694.31
Step by Step Solution
- Step 1: Write the proportion equation
542,962.08 : 749,354.16 = 313,518.78 : x - Step 2: Convert to fraction form
542,962.08/749,354.16 = 313,518.78/x - Step 3: Cross multiply
542,962.08x = 749,354.16 × 313,518.78 - Step 4: Simplify right side
542,962.08x = 234,936,602,031.13 - Step 5: Solve for x
x = 234,936,602,031.13/542,962.08 - Step 6: Final answer
x = 432,694.31
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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.