Finding the Fourth Proportional to 566,895.79, 782,316.12 and 312,246.98
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Solution
The fourth proportional to 566,895.79, 782,316.12 and 312,246.98 is: 430,900.79
Step by Step Solution
- Step 1: Write the proportion equation
566,895.79 : 782,316.12 = 312,246.98 : x - Step 2: Convert to fraction form
566,895.79/782,316.12 = 312,246.98/x - Step 3: Cross multiply
566,895.79x = 782,316.12 × 312,246.98 - Step 4: Simplify right side
566,895.79x = 244,275,845,875.32 - Step 5: Solve for x
x = 244,275,845,875.32/566,895.79 - Step 6: Final answer
x = 430,900.79
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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.