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Finding the Fourth Proportional to 570,594.03, 787,443.51 and 315,945.21

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Solution

The fourth proportional to 570,594.03, 787,443.51 and 315,945.21 is: 436,017.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,594.03 : 787,443.51 = 315,945.21 : x
  2. Step 2: Convert to fraction form
    570,594.03/787,443.51 = 315,945.21/x
  3. Step 3: Cross multiply
    570,594.03x = 787,443.51 × 315,945.21
  4. Step 4: Simplify right side
    570,594.03x = 248,789,005,130.09
  5. Step 5: Solve for x
    x = 248,789,005,130.09/570,594.03
  6. Step 6: Final answer
    x = 436,017.54

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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.