Home / 631,410.20-947,123.48-210,686.08

Finding the Fourth Proportional to 631,410.20, 947,123.48 and 210,686.08

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Solution

The fourth proportional to 631,410.20, 947,123.48 and 210,686.08 is: 316,031.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,410.20 : 947,123.48 = 210,686.08 : x
  2. Step 2: Convert to fraction form
    631,410.20/947,123.48 = 210,686.08/x
  3. Step 3: Cross multiply
    631,410.20x = 947,123.48 × 210,686.08
  4. Step 4: Simplify right side
    631,410.20x = 199,545,733,277.16
  5. Step 5: Solve for x
    x = 199,545,733,277.16/631,410.20
  6. Step 6: Final answer
    x = 316,031.85

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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.