Home / 776,037.07-1,070,909.19-431,867.50

Finding the Fourth Proportional to 776,037.07, 1,070,909.19 and 431,867.50

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Solution

The fourth proportional to 776,037.07, 1,070,909.19 and 431,867.50 is: 595,964.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,037.07 : 1,070,909.19 = 431,867.50 : x
  2. Step 2: Convert to fraction form
    776,037.07/1,070,909.19 = 431,867.50/x
  3. Step 3: Cross multiply
    776,037.07x = 1,070,909.19 × 431,867.50
  4. Step 4: Simplify right side
    776,037.07x = 462,490,874,612.33
  5. Step 5: Solve for x
    x = 462,490,874,612.33/776,037.07
  6. Step 6: Final answer
    x = 595,964.93

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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.