Home / 1,011,390.98-1,517,308.00-380,304.79

Finding the Fourth Proportional to 1,011,390.98, 1,517,308.00 and 380,304.79

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Solution

The fourth proportional to 1,011,390.98, 1,517,308.00 and 380,304.79 is: 570,540.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,390.98 : 1,517,308.00 = 380,304.79 : x
  2. Step 2: Convert to fraction form
    1,011,390.98/1,517,308.00 = 380,304.79/x
  3. Step 3: Cross multiply
    1,011,390.98x = 1,517,308.00 × 380,304.79
  4. Step 4: Simplify right side
    1,011,390.98x = 577,039,495,561.29
  5. Step 5: Solve for x
    x = 577,039,495,561.29/1,011,390.98
  6. Step 6: Final answer
    x = 570,540.48

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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.