Home / 1,011,500.28-1,395,751.38-558,764.28

Finding the Fourth Proportional to 1,011,500.28, 1,395,751.38 and 558,764.28

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Solution

The fourth proportional to 1,011,500.28, 1,395,751.38 and 558,764.28 is: 771,028.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,500.28 : 1,395,751.38 = 558,764.28 : x
  2. Step 2: Convert to fraction form
    1,011,500.28/1,395,751.38 = 558,764.28/x
  3. Step 3: Cross multiply
    1,011,500.28x = 1,395,751.38 × 558,764.28
  4. Step 4: Simplify right side
    1,011,500.28x = 779,896,014,904.71
  5. Step 5: Solve for x
    x = 779,896,014,904.71/1,011,500.28
  6. Step 6: Final answer
    x = 771,028.97

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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.