Home / 631,490.04-947,359.60-204,946.32

Finding the Fourth Proportional to 631,490.04, 947,359.60 and 204,946.32

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Solution

The fourth proportional to 631,490.04, 947,359.60 and 204,946.32 is: 307,459.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,490.04 : 947,359.60 = 204,946.32 : x
  2. Step 2: Convert to fraction form
    631,490.04/947,359.60 = 204,946.32/x
  3. Step 3: Cross multiply
    631,490.04x = 947,359.60 × 204,946.32
  4. Step 4: Simplify right side
    631,490.04x = 194,157,863,736.67
  5. Step 5: Solve for x
    x = 194,157,863,736.67/631,490.04
  6. Step 6: Final answer
    x = 307,459.90

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Double scale
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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.