Finding the Fourth Proportional to 583,560.14, 805,312.20 and 315,288.14
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Solution
The fourth proportional to 583,560.14, 805,312.20 and 315,288.14 is: 435,097.20
Step by Step Solution
- Step 1: Write the proportion equation
583,560.14 : 805,312.20 = 315,288.14 : x - Step 2: Convert to fraction form
583,560.14/805,312.20 = 315,288.14/x - Step 3: Cross multiply
583,560.14x = 805,312.20 × 315,288.14 - Step 4: Simplify right side
583,560.14x = 253,905,385,657.31 - Step 5: Solve for x
x = 253,905,385,657.31/583,560.14 - Step 6: Final answer
x = 435,097.20
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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.