Finding the Fourth Proportional to 528,427.58, 724,746.34 and 506,726.88
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Solution
The fourth proportional to 528,427.58, 724,746.34 and 506,726.88 is: 694,983.50
Step by Step Solution
- Step 1: Write the proportion equation
528,427.58 : 724,746.34 = 506,726.88 : x - Step 2: Convert to fraction form
528,427.58/724,746.34 = 506,726.88/x - Step 3: Cross multiply
528,427.58x = 724,746.34 × 506,726.88 - Step 4: Simplify right side
528,427.58x = 367,248,451,659.62 - Step 5: Solve for x
x = 367,248,451,659.62/528,427.58 - Step 6: Final answer
x = 694,983.50
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.