Finding the Fourth Proportional to 539,898.80, 808,681.80 and 446,586.80
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Solution
The fourth proportional to 539,898.80, 808,681.80 and 446,586.80 is: 668,915.39
Step by Step Solution
- Step 1: Write the proportion equation
539,898.80 : 808,681.80 = 446,586.80 : x - Step 2: Convert to fraction form
539,898.80/808,681.80 = 446,586.80/x - Step 3: Cross multiply
539,898.80x = 808,681.80 × 446,586.80 - Step 4: Simplify right side
539,898.80x = 361,146,617,280.24 - Step 5: Solve for x
x = 361,146,617,280.24/539,898.80 - Step 6: Final answer
x = 668,915.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.