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Finding the Fourth Proportional to 647,737.59, 893,588.91 and 375,648

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Solution

The fourth proportional to 647,737.59, 893,588.91 and 375,648 is: 518,226.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,737.59 : 893,588.91 = 375,648 : x
  2. Step 2: Convert to fraction form
    647,737.59/893,588.91 = 375,648/x
  3. Step 3: Cross multiply
    647,737.59x = 893,588.91 × 375,648
  4. Step 4: Simplify right side
    647,737.59x = 335,674,886,863.68
  5. Step 5: Solve for x
    x = 335,674,886,863.68/647,737.59
  6. Step 6: Final answer
    x = 518,226.66

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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.