Home / 888,572.40-1,331,692.20-355,657.20

Finding the Fourth Proportional to 888,572.40, 1,331,692.20 and 355,657.20

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Solution

The fourth proportional to 888,572.40, 1,331,692.20 and 355,657.20 is: 533,018.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,572.40 : 1,331,692.20 = 355,657.20 : x
  2. Step 2: Convert to fraction form
    888,572.40/1,331,692.20 = 355,657.20/x
  3. Step 3: Cross multiply
    888,572.40x = 1,331,692.20 × 355,657.20
  4. Step 4: Simplify right side
    888,572.40x = 473,625,919,113.84
  5. Step 5: Solve for x
    x = 473,625,919,113.84/888,572.40
  6. Step 6: Final answer
    x = 533,018.94

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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.