Home / 831,981.36-1,248,127.60-333,384.24

Finding the Fourth Proportional to 831,981.36, 1,248,127.60 and 333,384.24

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Solution

The fourth proportional to 831,981.36, 1,248,127.60 and 333,384.24 is: 500,138.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,981.36 : 1,248,127.60 = 333,384.24 : x
  2. Step 2: Convert to fraction form
    831,981.36/1,248,127.60 = 333,384.24/x
  3. Step 3: Cross multiply
    831,981.36x = 1,248,127.60 × 333,384.24
  4. Step 4: Simplify right side
    831,981.36x = 416,106,071,349.02
  5. Step 5: Solve for x
    x = 416,106,071,349.02/831,981.36
  6. Step 6: Final answer
    x = 500,138.69

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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.