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Finding the Fourth Proportional to 401,301.90, 601,952.85 and 357,756.30

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Solution

The fourth proportional to 401,301.90, 601,952.85 and 357,756.30 is: 536,634.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,301.90 : 601,952.85 = 357,756.30 : x
  2. Step 2: Convert to fraction form
    401,301.90/601,952.85 = 357,756.30/x
  3. Step 3: Cross multiply
    401,301.90x = 601,952.85 × 357,756.30
  4. Step 4: Simplify right side
    401,301.90x = 215,352,424,390.46
  5. Step 5: Solve for x
    x = 215,352,424,390.46/401,301.90
  6. Step 6: Final answer
    x = 536,634.45

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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.