Finding the Fourth Proportional to 731,660.15, 1,009,248.99 and 483,303.62
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Solution
The fourth proportional to 731,660.15, 1,009,248.99 and 483,303.62 is: 666,667.02
Step by Step Solution
- Step 1: Write the proportion equation
731,660.15 : 1,009,248.99 = 483,303.62 : x - Step 2: Convert to fraction form
731,660.15/1,009,248.99 = 483,303.62/x - Step 3: Cross multiply
731,660.15x = 1,009,248.99 × 483,303.62 - Step 4: Simplify right side
731,660.15x = 487,773,690,348.34 - Step 5: Solve for x
x = 487,773,690,348.34/731,660.15 - Step 6: Final answer
x = 666,667.02
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1.5x scale
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.