Home / 749,123.90-1,033,674.99-426,847.58

Finding the Fourth Proportional to 749,123.90, 1,033,674.99 and 426,847.58

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Solution

The fourth proportional to 749,123.90, 1,033,674.99 and 426,847.58 is: 588,983.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,123.90 : 1,033,674.99 = 426,847.58 : x
  2. Step 2: Convert to fraction form
    749,123.90/1,033,674.99 = 426,847.58/x
  3. Step 3: Cross multiply
    749,123.90x = 1,033,674.99 × 426,847.58
  4. Step 4: Simplify right side
    749,123.90x = 441,221,667,988.02
  5. Step 5: Solve for x
    x = 441,221,667,988.02/749,123.90
  6. Step 6: Final answer
    x = 588,983.57

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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.