Finding the Fourth Proportional to 453,742.08, 679,424.04 and 319,897.68
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Solution
The fourth proportional to 453,742.08, 679,424.04 and 319,897.68 is: 479,008.19
Step by Step Solution
- Step 1: Write the proportion equation
453,742.08 : 679,424.04 = 319,897.68 : x - Step 2: Convert to fraction form
453,742.08/679,424.04 = 319,897.68/x - Step 3: Cross multiply
453,742.08x = 679,424.04 × 319,897.68 - Step 4: Simplify right side
453,742.08x = 217,346,174,132.23 - Step 5: Solve for x
x = 217,346,174,132.23/453,742.08 - Step 6: Final answer
x = 479,008.19
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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.