Finding the Fourth Proportional to 921,318.48, 1,271,366.94 and 507,773.13
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Solution
The fourth proportional to 921,318.48, 1,271,366.94 and 507,773.13 is: 700,697.95
Step by Step Solution
- Step 1: Write the proportion equation
921,318.48 : 1,271,366.94 = 507,773.13 : x - Step 2: Convert to fraction form
921,318.48/1,271,366.94 = 507,773.13/x - Step 3: Cross multiply
921,318.48x = 1,271,366.94 × 507,773.13 - Step 4: Simplify right side
921,318.48x = 645,565,970,502.32 - Step 5: Solve for x
x = 645,565,970,502.32/921,318.48 - Step 6: Final answer
x = 700,697.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.