Home / 767,210.28-1,151,147.38-411,809.28

Finding the Fourth Proportional to 767,210.28, 1,151,147.38 and 411,809.28

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Solution

The fourth proportional to 767,210.28, 1,151,147.38 and 411,809.28 is: 617,892.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,210.28 : 1,151,147.38 = 411,809.28 : x
  2. Step 2: Convert to fraction form
    767,210.28/1,151,147.38 = 411,809.28/x
  3. Step 3: Cross multiply
    767,210.28x = 1,151,147.38 × 411,809.28
  4. Step 4: Simplify right side
    767,210.28x = 474,053,173,731.69
  5. Step 5: Solve for x
    x = 474,053,173,731.69/767,210.28
  6. Step 6: Final answer
    x = 617,892.10

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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.