Home / 742,221.18-1,024,265.25-419,924.34

Finding the Fourth Proportional to 742,221.18, 1,024,265.25 and 419,924.34

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Solution

The fourth proportional to 742,221.18, 1,024,265.25 and 419,924.34 is: 579,495.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,221.18 : 1,024,265.25 = 419,924.34 : x
  2. Step 2: Convert to fraction form
    742,221.18/1,024,265.25 = 419,924.34/x
  3. Step 3: Cross multiply
    742,221.18x = 1,024,265.25 × 419,924.34
  4. Step 4: Simplify right side
    742,221.18x = 430,113,909,091.19
  5. Step 5: Solve for x
    x = 430,113,909,091.19/742,221.18
  6. Step 6: Final answer
    x = 579,495.60

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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.