Finding the Fourth Proportional to 507,006.10, 760,509.15 and 307,551.70
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Solution
The fourth proportional to 507,006.10, 760,509.15 and 307,551.70 is: 461,327.55
Step by Step Solution
- Step 1: Write the proportion equation
507,006.10 : 760,509.15 = 307,551.70 : x - Step 2: Convert to fraction form
507,006.10/760,509.15 = 307,551.70/x - Step 3: Cross multiply
507,006.10x = 760,509.15 × 307,551.70 - Step 4: Simplify right side
507,006.10x = 233,895,881,948.06 - Step 5: Solve for x
x = 233,895,881,948.06/507,006.10 - Step 6: Final answer
x = 461,327.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.