Finding the Fourth Proportional to 919,677.06, 1,379,113.41 and 463,987.95
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Solution
The fourth proportional to 919,677.06, 1,379,113.41 and 463,987.95 is: 695,779.02
Step by Step Solution
- Step 1: Write the proportion equation
919,677.06 : 1,379,113.41 = 463,987.95 : x - Step 2: Convert to fraction form
919,677.06/1,379,113.41 = 463,987.95/x - Step 3: Cross multiply
919,677.06x = 1,379,113.41 × 463,987.95 - Step 4: Simplify right side
919,677.06x = 639,892,003,923.41 - Step 5: Solve for x
x = 639,892,003,923.41/919,677.06 - Step 6: Final answer
x = 695,779.02
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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.