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Finding the Fourth Proportional to 560,479.02, 773,479.72 and 305,844.18

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Solution

The fourth proportional to 560,479.02, 773,479.72 and 305,844.18 is: 422,075.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,479.02 : 773,479.72 = 305,844.18 : x
  2. Step 2: Convert to fraction form
    560,479.02/773,479.72 = 305,844.18/x
  3. Step 3: Cross multiply
    560,479.02x = 773,479.72 × 305,844.18
  4. Step 4: Simplify right side
    560,479.02x = 236,564,270,710.03
  5. Step 5: Solve for x
    x = 236,564,270,710.03/560,479.02
  6. Step 6: Final answer
    x = 422,075.16

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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.