Home / 742,051.92-1,023,257.16-440,187.60

Finding the Fourth Proportional to 742,051.92, 1,023,257.16 and 440,187.60

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Solution

The fourth proportional to 742,051.92, 1,023,257.16 and 440,187.60 is: 606,999.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,051.92 : 1,023,257.16 = 440,187.60 : x
  2. Step 2: Convert to fraction form
    742,051.92/1,023,257.16 = 440,187.60/x
  3. Step 3: Cross multiply
    742,051.92x = 1,023,257.16 × 440,187.60
  4. Step 4: Simplify right side
    742,051.92x = 450,425,113,443.22
  5. Step 5: Solve for x
    x = 450,425,113,443.22/742,051.92
  6. Step 6: Final answer
    x = 606,999.46

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.