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Finding the Fourth Proportional to 560,660.32, 774,111.72 and 346,091.68

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Solution

The fourth proportional to 560,660.32, 774,111.72 and 346,091.68 is: 477,853.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,660.32 : 774,111.72 = 346,091.68 : x
  2. Step 2: Convert to fraction form
    560,660.32/774,111.72 = 346,091.68/x
  3. Step 3: Cross multiply
    560,660.32x = 774,111.72 × 346,091.68
  4. Step 4: Simplify right side
    560,660.32x = 267,913,625,682.49
  5. Step 5: Solve for x
    x = 267,913,625,682.49/560,660.32
  6. Step 6: Final answer
    x = 477,853.73

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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.