Home / 631,411.20-947,124.98-210,687.08

Finding the Fourth Proportional to 631,411.20, 947,124.98 and 210,687.08

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Solution

The fourth proportional to 631,411.20, 947,124.98 and 210,687.08 is: 316,033.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,411.20 : 947,124.98 = 210,687.08 : x
  2. Step 2: Convert to fraction form
    631,411.20/947,124.98 = 210,687.08/x
  3. Step 3: Cross multiply
    631,411.20x = 947,124.98 × 210,687.08
  4. Step 4: Simplify right side
    631,411.20x = 199,546,996,431.26
  5. Step 5: Solve for x
    x = 199,546,996,431.26/631,411.20
  6. Step 6: Final answer
    x = 316,033.35

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Similar ratio
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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.