Home / 688,247.84-949,933.82-382,429.29

Finding the Fourth Proportional to 688,247.84, 949,933.82 and 382,429.29

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Solution

The fourth proportional to 688,247.84, 949,933.82 and 382,429.29 is: 527,836.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,247.84 : 949,933.82 = 382,429.29 : x
  2. Step 2: Convert to fraction form
    688,247.84/949,933.82 = 382,429.29/x
  3. Step 3: Cross multiply
    688,247.84x = 949,933.82 × 382,429.29
  4. Step 4: Simplify right side
    688,247.84x = 363,282,514,417.44
  5. Step 5: Solve for x
    x = 363,282,514,417.44/688,247.84
  6. Step 6: Final answer
    x = 527,836.77

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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.