Home / 688,022.87-949,484.28-382,127.58

Finding the Fourth Proportional to 688,022.87, 949,484.28 and 382,127.58

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Solution

The fourth proportional to 688,022.87, 949,484.28 and 382,127.58 is: 527,343.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,022.87 : 949,484.28 = 382,127.58 : x
  2. Step 2: Convert to fraction form
    688,022.87/949,484.28 = 382,127.58/x
  3. Step 3: Cross multiply
    688,022.87x = 949,484.28 × 382,127.58
  4. Step 4: Simplify right side
    688,022.87x = 362,824,130,164.44
  5. Step 5: Solve for x
    x = 362,824,130,164.44/688,022.87
  6. Step 6: Final answer
    x = 527,343.13

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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.