Home / 631,410.18-947,123.48-210,686.06

Finding the Fourth Proportional to 631,410.18, 947,123.48 and 210,686.06

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Solution

The fourth proportional to 631,410.18, 947,123.48 and 210,686.06 is: 316,031.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,410.18 : 947,123.48 = 210,686.06 : x
  2. Step 2: Convert to fraction form
    631,410.18/947,123.48 = 210,686.06/x
  3. Step 3: Cross multiply
    631,410.18x = 947,123.48 × 210,686.06
  4. Step 4: Simplify right side
    631,410.18x = 199,545,714,334.69
  5. Step 5: Solve for x
    x = 199,545,714,334.69/631,410.18
  6. Step 6: Final answer
    x = 316,031.83

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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.