Home / 957,221.60-1,435,329.36-424,512.32

Finding the Fourth Proportional to 957,221.60, 1,435,329.36 and 424,512.32

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Solution

The fourth proportional to 957,221.60, 1,435,329.36 and 424,512.32 is: 636,545.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,221.60 : 1,435,329.36 = 424,512.32 : x
  2. Step 2: Convert to fraction form
    957,221.60/1,435,329.36 = 424,512.32/x
  3. Step 3: Cross multiply
    957,221.60x = 1,435,329.36 × 424,512.32
  4. Step 4: Simplify right side
    957,221.60x = 609,314,996,577.72
  5. Step 5: Solve for x
    x = 609,314,996,577.72/957,221.60
  6. Step 6: Final answer
    x = 636,545.39

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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.