Home / 742,227.84-1,113,341.76-426,483.36

Finding the Fourth Proportional to 742,227.84, 1,113,341.76 and 426,483.36

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Solution

The fourth proportional to 742,227.84, 1,113,341.76 and 426,483.36 is: 639,725.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,227.84 : 1,113,341.76 = 426,483.36 : x
  2. Step 2: Convert to fraction form
    742,227.84/1,113,341.76 = 426,483.36/x
  3. Step 3: Cross multiply
    742,227.84x = 1,113,341.76 × 426,483.36
  4. Step 4: Simplify right side
    742,227.84x = 474,821,734,633.11
  5. Step 5: Solve for x
    x = 474,821,734,633.11/742,227.84
  6. Step 6: Final answer
    x = 639,725.04

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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.