Home / 767,417.72-1,059,705.06-481,429.40

Finding the Fourth Proportional to 767,417.72, 1,059,705.06 and 481,429.40

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Solution

The fourth proportional to 767,417.72, 1,059,705.06 and 481,429.40 is: 664,792.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,417.72 : 1,059,705.06 = 481,429.40 : x
  2. Step 2: Convert to fraction form
    767,417.72/1,059,705.06 = 481,429.40/x
  3. Step 3: Cross multiply
    767,417.72x = 1,059,705.06 × 481,429.40
  4. Step 4: Simplify right side
    767,417.72x = 510,173,171,212.76
  5. Step 5: Solve for x
    x = 510,173,171,212.76/767,417.72
  6. Step 6: Final answer
    x = 664,792.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.