Finding the Fourth Proportional to 707,807.68, 977,730.08 and 565,565.12
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Solution
The fourth proportional to 707,807.68, 977,730.08 and 565,565.12 is: 781,243.33
Step by Step Solution
- Step 1: Write the proportion equation
707,807.68 : 977,730.08 = 565,565.12 : x - Step 2: Convert to fraction form
707,807.68/977,730.08 = 565,565.12/x - Step 3: Cross multiply
707,807.68x = 977,730.08 × 565,565.12 - Step 4: Simplify right side
707,807.68x = 552,970,030,022.81 - Step 5: Solve for x
x = 552,970,030,022.81/707,807.68 - Step 6: Final answer
x = 781,243.33
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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.