Home / 817,772.40-1,225,346.40-770,533.20

Finding the Fourth Proportional to 817,772.40, 1,225,346.40 and 770,533.20

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Solution

The fourth proportional to 817,772.40, 1,225,346.40 and 770,533.20 is: 1,154,563.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,772.40 : 1,225,346.40 = 770,533.20 : x
  2. Step 2: Convert to fraction form
    817,772.40/1,225,346.40 = 770,533.20/x
  3. Step 3: Cross multiply
    817,772.40x = 1,225,346.40 × 770,533.20
  4. Step 4: Simplify right side
    817,772.40x = 944,170,082,700.48
  5. Step 5: Solve for x
    x = 944,170,082,700.48/817,772.40
  6. Step 6: Final answer
    x = 1,154,563.40

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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.