Home / 736,011.72-1,015,803.74-413,748.36

Finding the Fourth Proportional to 736,011.72, 1,015,803.74 and 413,748.36

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Solution

The fourth proportional to 736,011.72, 1,015,803.74 and 413,748.36 is: 571,033.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,011.72 : 1,015,803.74 = 413,748.36 : x
  2. Step 2: Convert to fraction form
    736,011.72/1,015,803.74 = 413,748.36/x
  3. Step 3: Cross multiply
    736,011.72x = 1,015,803.74 × 413,748.36
  4. Step 4: Simplify right side
    736,011.72x = 420,287,129,438.13
  5. Step 5: Solve for x
    x = 420,287,129,438.13/736,011.72
  6. Step 6: Final answer
    x = 571,033.20

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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.