Finding the Fourth Proportional to 583,698.68, 805,504.18 and 315,426.68
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Solution
The fourth proportional to 583,698.68, 805,504.18 and 315,426.68 is: 435,288.82
Step by Step Solution
- Step 1: Write the proportion equation
583,698.68 : 805,504.18 = 315,426.68 : x - Step 2: Convert to fraction form
583,698.68/805,504.18 = 315,426.68/x - Step 3: Cross multiply
583,698.68x = 805,504.18 × 315,426.68 - Step 4: Simplify right side
583,698.68x = 254,077,509,223.52 - Step 5: Solve for x
x = 254,077,509,223.52/583,698.68 - Step 6: Final answer
x = 435,288.82
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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.