Finding the Fourth Proportional to 583,655.79, 805,307.86 and 354,207.98
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Solution
The fourth proportional to 583,655.79, 805,307.86 and 354,207.98 is: 488,723.79
Step by Step Solution
- Step 1: Write the proportion equation
583,655.79 : 805,307.86 = 354,207.98 : x - Step 2: Convert to fraction form
583,655.79/805,307.86 = 354,207.98/x - Step 3: Cross multiply
583,655.79x = 805,307.86 × 354,207.98 - Step 4: Simplify right side
583,655.79x = 285,246,470,368.72 - Step 5: Solve for x
x = 285,246,470,368.72/583,655.79 - Step 6: Final answer
x = 488,723.79
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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.