Finding the Fourth Proportional to 724,362.24, 999,345.60 and 533,830.08
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Solution
The fourth proportional to 724,362.24, 999,345.60 and 533,830.08 is: 736,483.37
Step by Step Solution
- Step 1: Write the proportion equation
724,362.24 : 999,345.60 = 533,830.08 : x - Step 2: Convert to fraction form
724,362.24/999,345.60 = 533,830.08/x - Step 3: Cross multiply
724,362.24x = 999,345.60 × 533,830.08 - Step 4: Simplify right side
724,362.24x = 533,480,741,595.65 - Step 5: Solve for x
x = 533,480,741,595.65/724,362.24 - Step 6: Final answer
x = 736,483.37
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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.