Home / 940,135.40-1,297,334.10-547,787.72

Finding the Fourth Proportional to 940,135.40, 1,297,334.10 and 547,787.72

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Solution

The fourth proportional to 940,135.40, 1,297,334.10 and 547,787.72 is: 755,916.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,135.40 : 1,297,334.10 = 547,787.72 : x
  2. Step 2: Convert to fraction form
    940,135.40/1,297,334.10 = 547,787.72/x
  3. Step 3: Cross multiply
    940,135.40x = 1,297,334.10 × 547,787.72
  4. Step 4: Simplify right side
    940,135.40x = 710,663,688,717.25
  5. Step 5: Solve for x
    x = 710,663,688,717.25/940,135.40
  6. Step 6: Final answer
    x = 755,916.32

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1.5x scale

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.