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Finding the Fourth Proportional to 507,999.65, 761,466.06 and 170,923.28

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Solution

The fourth proportional to 507,999.65, 761,466.06 and 170,923.28 is: 256,205.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,999.65 : 761,466.06 = 170,923.28 : x
  2. Step 2: Convert to fraction form
    507,999.65/761,466.06 = 170,923.28/x
  3. Step 3: Cross multiply
    507,999.65x = 761,466.06 × 170,923.28
  4. Step 4: Simplify right side
    507,999.65x = 130,152,276,583.88
  5. Step 5: Solve for x
    x = 130,152,276,583.88/507,999.65
  6. Step 6: Final answer
    x = 256,205.45

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1.5x scale

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.