Finding the Fourth Proportional to 564,681.42, 779,038.14 and 322,834.08
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Solution
The fourth proportional to 564,681.42, 779,038.14 and 322,834.08 is: 445,383.99
Step by Step Solution
- Step 1: Write the proportion equation
564,681.42 : 779,038.14 = 322,834.08 : x - Step 2: Convert to fraction form
564,681.42/779,038.14 = 322,834.08/x - Step 3: Cross multiply
564,681.42x = 779,038.14 × 322,834.08 - Step 4: Simplify right side
564,681.42x = 251,500,061,211.81 - Step 5: Solve for x
x = 251,500,061,211.81/564,681.42 - Step 6: Final answer
x = 445,383.99
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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.