Finding the Fourth Proportional to 563,904.11, 778,228.91 and 322,181.49
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Solution
The fourth proportional to 563,904.11, 778,228.91 and 322,181.49 is: 444,634.02
Step by Step Solution
- Step 1: Write the proportion equation
563,904.11 : 778,228.91 = 322,181.49 : x - Step 2: Convert to fraction form
563,904.11/778,228.91 = 322,181.49/x - Step 3: Cross multiply
563,904.11x = 778,228.91 × 322,181.49 - Step 4: Simplify right side
563,904.11x = 250,730,953,565.59 - Step 5: Solve for x
x = 250,730,953,565.59/563,904.11 - Step 6: Final answer
x = 444,634.02
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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.