Finding the Fourth Proportional to 657,175.74, 906,484.95 and 430,835.82
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Solution
The fourth proportional to 657,175.74, 906,484.95 and 430,835.82 is: 594,279.68
Step by Step Solution
- Step 1: Write the proportion equation
657,175.74 : 906,484.95 = 430,835.82 : x - Step 2: Convert to fraction form
657,175.74/906,484.95 = 430,835.82/x - Step 3: Cross multiply
657,175.74x = 906,484.95 × 430,835.82 - Step 4: Simplify right side
657,175.74x = 390,546,186,750.91 - Step 5: Solve for x
x = 390,546,186,750.91/657,175.74 - Step 6: Final answer
x = 594,279.68
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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.