Home / 881,381.10-1,321,812.45-348,725.10

Finding the Fourth Proportional to 881,381.10, 1,321,812.45 and 348,725.10

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Solution

The fourth proportional to 881,381.10, 1,321,812.45 and 348,725.10 is: 522,985.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,381.10 : 1,321,812.45 = 348,725.10 : x
  2. Step 2: Convert to fraction form
    881,381.10/1,321,812.45 = 348,725.10/x
  3. Step 3: Cross multiply
    881,381.10x = 1,321,812.45 × 348,725.10
  4. Step 4: Simplify right side
    881,381.10x = 460,949,178,807.50
  5. Step 5: Solve for x
    x = 460,949,178,807.50/881,381.10
  6. Step 6: Final answer
    x = 522,985.10

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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.