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Finding the Fourth Proportional to 507,355.02, 760,947.48 and 170,357.76

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Solution

The fourth proportional to 507,355.02, 760,947.48 and 170,357.76 is: 255,508.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,355.02 : 760,947.48 = 170,357.76 : x
  2. Step 2: Convert to fraction form
    507,355.02/760,947.48 = 170,357.76/x
  3. Step 3: Cross multiply
    507,355.02x = 760,947.48 × 170,357.76
  4. Step 4: Simplify right side
    507,355.02x = 129,633,308,170.45
  5. Step 5: Solve for x
    x = 129,633,308,170.45/507,355.02
  6. Step 6: Final answer
    x = 255,508.08

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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.