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Finding the Fourth Proportional to 507,392.37, 700,027.59 and 289,444.45

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Solution

The fourth proportional to 507,392.37, 700,027.59 and 289,444.45 is: 399,334.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,392.37 : 700,027.59 = 289,444.45 : x
  2. Step 2: Convert to fraction form
    507,392.37/700,027.59 = 289,444.45/x
  3. Step 3: Cross multiply
    507,392.37x = 700,027.59 × 289,444.45
  4. Step 4: Simplify right side
    507,392.37x = 202,619,100,772.38
  5. Step 5: Solve for x
    x = 202,619,100,772.38/507,392.37
  6. Step 6: Final answer
    x = 399,334.15

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1.5x scale

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.