Home / 743,278.74-1,025,868.41-484,706.76

Finding the Fourth Proportional to 743,278.74, 1,025,868.41 and 484,706.76

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Solution

The fourth proportional to 743,278.74, 1,025,868.41 and 484,706.76 is: 668,989.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,278.74 : 1,025,868.41 = 484,706.76 : x
  2. Step 2: Convert to fraction form
    743,278.74/1,025,868.41 = 484,706.76/x
  3. Step 3: Cross multiply
    743,278.74x = 1,025,868.41 × 484,706.76
  4. Step 4: Simplify right side
    743,278.74x = 497,245,353,197.45
  5. Step 5: Solve for x
    x = 497,245,353,197.45/743,278.74
  6. Step 6: Final answer
    x = 668,989.07

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Double scale
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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.