Home / 930,511.90-1,395,439.80-425,314.90

Finding the Fourth Proportional to 930,511.90, 1,395,439.80 and 425,314.90

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Solution

The fourth proportional to 930,511.90, 1,395,439.80 and 425,314.90 is: 637,822.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,511.90 : 1,395,439.80 = 425,314.90 : x
  2. Step 2: Convert to fraction form
    930,511.90/1,395,439.80 = 425,314.90/x
  3. Step 3: Cross multiply
    930,511.90x = 1,395,439.80 × 425,314.90
  4. Step 4: Simplify right side
    930,511.90x = 593,501,338,993.02
  5. Step 5: Solve for x
    x = 593,501,338,993.02/930,511.90
  6. Step 6: Final answer
    x = 637,822.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.