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Finding the Fourth Proportional to 570,972.93, 787,585.89 and 367,289.11

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Solution

The fourth proportional to 570,972.93, 787,585.89 and 367,289.11 is: 506,629.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,972.93 : 787,585.89 = 367,289.11 : x
  2. Step 2: Convert to fraction form
    570,972.93/787,585.89 = 367,289.11/x
  3. Step 3: Cross multiply
    570,972.93x = 787,585.89 × 367,289.11
  4. Step 4: Simplify right side
    570,972.93x = 289,271,720,586.66
  5. Step 5: Solve for x
    x = 289,271,720,586.66/570,972.93
  6. Step 6: Final answer
    x = 506,629.48

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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.