Finding the Fourth Proportional to 677,947.60, 935,565.08 and 372,029.12
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Solution
The fourth proportional to 677,947.60, 935,565.08 and 372,029.12 is: 513,398.75
Step by Step Solution
- Step 1: Write the proportion equation
677,947.60 : 935,565.08 = 372,029.12 : x - Step 2: Convert to fraction form
677,947.60/935,565.08 = 372,029.12/x - Step 3: Cross multiply
677,947.60x = 935,565.08 × 372,029.12 - Step 4: Simplify right side
677,947.60x = 348,057,453,415.13 - Step 5: Solve for x
x = 348,057,453,415.13/677,947.60 - Step 6: Final answer
x = 513,398.75
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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.