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Finding the Fourth Proportional to 507,501.46, 760,775.35 and 170,305.63

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Solution

The fourth proportional to 507,501.46, 760,775.35 and 170,305.63 is: 255,298.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,501.46 : 760,775.35 = 170,305.63 : x
  2. Step 2: Convert to fraction form
    507,501.46/760,775.35 = 170,305.63/x
  3. Step 3: Cross multiply
    507,501.46x = 760,775.35 × 170,305.63
  4. Step 4: Simplify right side
    507,501.46x = 129,564,325,270.22
  5. Step 5: Solve for x
    x = 129,564,325,270.22/507,501.46
  6. Step 6: Final answer
    x = 255,298.43

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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.