Home / 566,664.48-782,002.18-312,024.78

Finding the Fourth Proportional to 566,664.48, 782,002.18 and 312,024.78

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Solution

The fourth proportional to 566,664.48, 782,002.18 and 312,024.78 is: 430,597.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,664.48 : 782,002.18 = 312,024.78 : x
  2. Step 2: Convert to fraction form
    566,664.48/782,002.18 = 312,024.78/x
  3. Step 3: Cross multiply
    566,664.48x = 782,002.18 × 312,024.78
  4. Step 4: Simplify right side
    566,664.48x = 244,004,058,174.02
  5. Step 5: Solve for x
    x = 244,004,058,174.02/566,664.48
  6. Step 6: Final answer
    x = 430,597.06

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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.