Home / 775,966.72-1,070,747.04-436,427.68

Finding the Fourth Proportional to 775,966.72, 1,070,747.04 and 436,427.68

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Solution

The fourth proportional to 775,966.72, 1,070,747.04 and 436,427.68 is: 602,221.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,966.72 : 1,070,747.04 = 436,427.68 : x
  2. Step 2: Convert to fraction form
    775,966.72/1,070,747.04 = 436,427.68/x
  3. Step 3: Cross multiply
    775,966.72x = 1,070,747.04 × 436,427.68
  4. Step 4: Simplify right side
    775,966.72x = 467,303,646,534.07
  5. Step 5: Solve for x
    x = 467,303,646,534.07/775,966.72
  6. Step 6: Final answer
    x = 602,221.25

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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.