Finding the Fourth Proportional to 583,909.80, 805,795.74 and 315,637.80
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Solution
The fourth proportional to 583,909.80, 805,795.74 and 315,637.80 is: 435,580.28
Step by Step Solution
- Step 1: Write the proportion equation
583,909.80 : 805,795.74 = 315,637.80 : x - Step 2: Convert to fraction form
583,909.80/805,795.74 = 315,637.80/x - Step 3: Cross multiply
583,909.80x = 805,795.74 × 315,637.80 - Step 4: Simplify right side
583,909.80x = 254,339,594,622.97 - Step 5: Solve for x
x = 254,339,594,622.97/583,909.80 - Step 6: Final answer
x = 435,580.28
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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.