Home / 770,466.40-1,154,533.20-520,856.80

Finding the Fourth Proportional to 770,466.40, 1,154,533.20 and 520,856.80

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Solution

The fourth proportional to 770,466.40, 1,154,533.20 and 520,856.80 is: 780,496.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,466.40 : 1,154,533.20 = 520,856.80 : x
  2. Step 2: Convert to fraction form
    770,466.40/1,154,533.20 = 520,856.80/x
  3. Step 3: Cross multiply
    770,466.40x = 1,154,533.20 × 520,856.80
  4. Step 4: Simplify right side
    770,466.40x = 601,346,468,045.76
  5. Step 5: Solve for x
    x = 601,346,468,045.76/770,466.40
  6. Step 6: Final answer
    x = 780,496.68

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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.