Home / 688,015.67-949,457.95-377,924.36

Finding the Fourth Proportional to 688,015.67, 949,457.95 and 377,924.36

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Solution

The fourth proportional to 688,015.67, 949,457.95 and 377,924.36 is: 521,533.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,015.67 : 949,457.95 = 377,924.36 : x
  2. Step 2: Convert to fraction form
    688,015.67/949,457.95 = 377,924.36/x
  3. Step 3: Cross multiply
    688,015.67x = 949,457.95 × 377,924.36
  4. Step 4: Simplify right side
    688,015.67x = 358,823,282,408.56
  5. Step 5: Solve for x
    x = 358,823,282,408.56/688,015.67
  6. Step 6: Final answer
    x = 521,533.59

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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.