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Finding the Fourth Proportional to 593,767.79, 890,652.59 and 144,486

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Solution

The fourth proportional to 593,767.79, 890,652.59 and 144,486 is: 216,729.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,767.79 : 890,652.59 = 144,486 : x
  2. Step 2: Convert to fraction form
    593,767.79/890,652.59 = 144,486/x
  3. Step 3: Cross multiply
    593,767.79x = 890,652.59 × 144,486
  4. Step 4: Simplify right side
    593,767.79x = 128,686,829,396.31
  5. Step 5: Solve for x
    x = 128,686,829,396.31/593,767.79
  6. Step 6: Final answer
    x = 216,729.22

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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.