Home / 738,202.74-1,018,682.10-415,931.88

Finding the Fourth Proportional to 738,202.74, 1,018,682.10 and 415,931.88

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Solution

The fourth proportional to 738,202.74, 1,018,682.10 and 415,931.88 is: 573,964.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,202.74 : 1,018,682.10 = 415,931.88 : x
  2. Step 2: Convert to fraction form
    738,202.74/1,018,682.10 = 415,931.88/x
  3. Step 3: Cross multiply
    738,202.74x = 1,018,682.10 × 415,931.88
  4. Step 4: Simplify right side
    738,202.74x = 423,702,360,975.35
  5. Step 5: Solve for x
    x = 423,702,360,975.35/738,202.74
  6. Step 6: Final answer
    x = 573,964.76

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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.