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Finding the Fourth Proportional to 559,956.32, 840,328.08 and 506,418.56

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Solution

The fourth proportional to 559,956.32, 840,328.08 and 506,418.56 is: 759,983.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,956.32 : 840,328.08 = 506,418.56 : x
  2. Step 2: Convert to fraction form
    559,956.32/840,328.08 = 506,418.56/x
  3. Step 3: Cross multiply
    559,956.32x = 840,328.08 × 506,418.56
  4. Step 4: Simplify right side
    559,956.32x = 425,557,736,201.17
  5. Step 5: Solve for x
    x = 425,557,736,201.17/559,956.32
  6. Step 6: Final answer
    x = 759,983.81

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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.