Home / 743,984.80-1,026,648.48-404,445.76

Finding the Fourth Proportional to 743,984.80, 1,026,648.48 and 404,445.76

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Solution

The fourth proportional to 743,984.80, 1,026,648.48 and 404,445.76 is: 558,107.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,984.80 : 1,026,648.48 = 404,445.76 : x
  2. Step 2: Convert to fraction form
    743,984.80/1,026,648.48 = 404,445.76/x
  3. Step 3: Cross multiply
    743,984.80x = 1,026,648.48 × 404,445.76
  4. Step 4: Simplify right side
    743,984.80x = 415,223,624,746.45
  5. Step 5: Solve for x
    x = 415,223,624,746.45/743,984.80
  6. Step 6: Final answer
    x = 558,107.67

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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.