Finding the Fourth Proportional to 869,054.19, 1,303,679.70 and 779,758.98
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Solution
The fourth proportional to 869,054.19, 1,303,679.70 and 779,758.98 is: 1,169,726.77
Step by Step Solution
- Step 1: Write the proportion equation
869,054.19 : 1,303,679.70 = 779,758.98 : x - Step 2: Convert to fraction form
869,054.19/1,303,679.70 = 779,758.98/x - Step 3: Cross multiply
869,054.19x = 1,303,679.70 × 779,758.98 - Step 4: Simplify right side
869,054.19x = 1,016,555,953,118.71 - Step 5: Solve for x
x = 1,016,555,953,118.71/869,054.19 - Step 6: Final answer
x = 1,169,726.77
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.