Home / 688,007.14-949,459.18-382,103.26

Finding the Fourth Proportional to 688,007.14, 949,459.18 and 382,103.26

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Solution

The fourth proportional to 688,007.14, 949,459.18 and 382,103.26 is: 527,307.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,007.14 : 949,459.18 = 382,103.26 : x
  2. Step 2: Convert to fraction form
    688,007.14/949,459.18 = 382,103.26/x
  3. Step 3: Cross multiply
    688,007.14x = 949,459.18 × 382,103.26
  4. Step 4: Simplify right side
    688,007.14x = 362,791,447,914.93
  5. Step 5: Solve for x
    x = 362,791,447,914.93/688,007.14
  6. Step 6: Final answer
    x = 527,307.68

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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.