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Finding the Fourth Proportional to 593,309.26, 890,005.40 and 293,709.40

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Solution

The fourth proportional to 593,309.26, 890,005.40 and 293,709.40 is: 440,584.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,309.26 : 890,005.40 = 293,709.40 : x
  2. Step 2: Convert to fraction form
    593,309.26/890,005.40 = 293,709.40/x
  3. Step 3: Cross multiply
    593,309.26x = 890,005.40 × 293,709.40
  4. Step 4: Simplify right side
    593,309.26x = 261,402,952,030.76
  5. Step 5: Solve for x
    x = 261,402,952,030.76/593,309.26
  6. Step 6: Final answer
    x = 440,584.65

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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.