Home / 742,671.54-1,114,150.56-316,199.58

Finding the Fourth Proportional to 742,671.54, 1,114,150.56 and 316,199.58

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Solution

The fourth proportional to 742,671.54, 1,114,150.56 and 316,199.58 is: 474,360.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,671.54 : 1,114,150.56 = 316,199.58 : x
  2. Step 2: Convert to fraction form
    742,671.54/1,114,150.56 = 316,199.58/x
  3. Step 3: Cross multiply
    742,671.54x = 1,114,150.56 × 316,199.58
  4. Step 4: Simplify right side
    742,671.54x = 352,293,939,128.77
  5. Step 5: Solve for x
    x = 352,293,939,128.77/742,671.54
  6. Step 6: Final answer
    x = 474,360.36

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Double scale
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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.