Finding the Fourth Proportional to 657,173.74, 906,482.19 and 430,833.82
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Solution
The fourth proportional to 657,173.74, 906,482.19 and 430,833.82 is: 594,276.92
Step by Step Solution
- Step 1: Write the proportion equation
657,173.74 : 906,482.19 = 430,833.82 : x - Step 2: Convert to fraction form
657,173.74/906,482.19 = 430,833.82/x - Step 3: Cross multiply
657,173.74x = 906,482.19 × 430,833.82 - Step 4: Simplify right side
657,173.74x = 390,543,184,679.67 - Step 5: Solve for x
x = 390,543,184,679.67/657,173.74 - Step 6: Final answer
x = 594,276.92
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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.