Finding the Fourth Proportional to 688,356.83, 949,166.67 and 470,601.08
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Solution
The fourth proportional to 688,356.83, 949,166.67 and 470,601.08 is: 648,905.98
Step by Step Solution
- Step 1: Write the proportion equation
688,356.83 : 949,166.67 = 470,601.08 : x - Step 2: Convert to fraction form
688,356.83/949,166.67 = 470,601.08/x - Step 3: Cross multiply
688,356.83x = 949,166.67 × 470,601.08 - Step 4: Simplify right side
688,356.83x = 446,678,862,374.92 - Step 5: Solve for x
x = 446,678,862,374.92/688,356.83 - Step 6: Final answer
x = 648,905.98
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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.