Home / 736,445.36-1,103,763.48-381,256.88

Finding the Fourth Proportional to 736,445.36, 1,103,763.48 and 381,256.88

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Solution

The fourth proportional to 736,445.36, 1,103,763.48 and 381,256.88 is: 571,417.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,445.36 : 1,103,763.48 = 381,256.88 : x
  2. Step 2: Convert to fraction form
    736,445.36/1,103,763.48 = 381,256.88/x
  3. Step 3: Cross multiply
    736,445.36x = 1,103,763.48 × 381,256.88
  4. Step 4: Simplify right side
    736,445.36x = 420,817,420,642.74
  5. Step 5: Solve for x
    x = 420,817,420,642.74/736,445.36
  6. Step 6: Final answer
    x = 571,417.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.