Home / 743,281.74-1,025,872.56-484,709.76

Finding the Fourth Proportional to 743,281.74, 1,025,872.56 and 484,709.76

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Solution

The fourth proportional to 743,281.74, 1,025,872.56 and 484,709.76 is: 668,993.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,281.74 : 1,025,872.56 = 484,709.76 : x
  2. Step 2: Convert to fraction form
    743,281.74/1,025,872.56 = 484,709.76/x
  3. Step 3: Cross multiply
    743,281.74x = 1,025,872.56 × 484,709.76
  4. Step 4: Simplify right side
    743,281.74x = 497,250,442,348.19
  5. Step 5: Solve for x
    x = 497,250,442,348.19/743,281.74
  6. Step 6: Final answer
    x = 668,993.22

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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.