Home / 704,178.40-1,056,578.64-284,274.40

Finding the Fourth Proportional to 704,178.40, 1,056,578.64 and 284,274.40

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Solution

The fourth proportional to 704,178.40, 1,056,578.64 and 284,274.40 is: 426,537.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,178.40 : 1,056,578.64 = 284,274.40 : x
  2. Step 2: Convert to fraction form
    704,178.40/1,056,578.64 = 284,274.40/x
  3. Step 3: Cross multiply
    704,178.40x = 1,056,578.64 × 284,274.40
  4. Step 4: Simplify right side
    704,178.40x = 300,358,258,938.82
  5. Step 5: Solve for x
    x = 300,358,258,938.82/704,178.40
  6. Step 6: Final answer
    x = 426,537.17

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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.