Finding the Fourth Proportional to 785,540.99, 1,178,828.16 and 430,804.12
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Solution
The fourth proportional to 785,540.99, 1,178,828.16 and 430,804.12 is: 646,489.53
Step by Step Solution
- Step 1: Write the proportion equation
785,540.99 : 1,178,828.16 = 430,804.12 : x - Step 2: Convert to fraction form
785,540.99/1,178,828.16 = 430,804.12/x - Step 3: Cross multiply
785,540.99x = 1,178,828.16 × 430,804.12 - Step 4: Simplify right side
785,540.99x = 507,844,020,051.86 - Step 5: Solve for x
x = 507,844,020,051.86/785,540.99 - Step 6: Final answer
x = 646,489.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.