Finding the Fourth Proportional to 801,303.04, 1,106,547.36 and 515,319.68
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Solution
The fourth proportional to 801,303.04, 1,106,547.36 and 515,319.68 is: 711,622.95
Step by Step Solution
- Step 1: Write the proportion equation
801,303.04 : 1,106,547.36 = 515,319.68 : x - Step 2: Convert to fraction form
801,303.04/1,106,547.36 = 515,319.68/x - Step 3: Cross multiply
801,303.04x = 1,106,547.36 × 515,319.68 - Step 4: Simplify right side
801,303.04x = 570,225,631,460.05 - Step 5: Solve for x
x = 570,225,631,460.05/801,303.04 - Step 6: Final answer
x = 711,622.95
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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.