Home / 776,946.84-1,072,109.36-573,107.88

Finding the Fourth Proportional to 776,946.84, 1,072,109.36 and 573,107.88

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Solution

The fourth proportional to 776,946.84, 1,072,109.36 and 573,107.88 is: 790,831.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,946.84 : 1,072,109.36 = 573,107.88 : x
  2. Step 2: Convert to fraction form
    776,946.84/1,072,109.36 = 573,107.88/x
  3. Step 3: Cross multiply
    776,946.84x = 1,072,109.36 × 573,107.88
  4. Step 4: Simplify right side
    776,946.84x = 614,434,322,437.76
  5. Step 5: Solve for x
    x = 614,434,322,437.76/776,946.84
  6. Step 6: Final answer
    x = 790,831.87

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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.