Home / 910,002.80-1,365,004.20-768,285.20

Finding the Fourth Proportional to 910,002.80, 1,365,004.20 and 768,285.20

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Solution

The fourth proportional to 910,002.80, 1,365,004.20 and 768,285.20 is: 1,152,427.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,002.80 : 1,365,004.20 = 768,285.20 : x
  2. Step 2: Convert to fraction form
    910,002.80/1,365,004.20 = 768,285.20/x
  3. Step 3: Cross multiply
    910,002.80x = 1,365,004.20 × 768,285.20
  4. Step 4: Simplify right side
    910,002.80x = 1,048,712,524,797.84
  5. Step 5: Solve for x
    x = 1,048,712,524,797.84/910,002.80
  6. Step 6: Final answer
    x = 1,152,427.80

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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.