Home / 742,678.34-1,113,885.78-337,775.69

Finding the Fourth Proportional to 742,678.34, 1,113,885.78 and 337,775.69

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Solution

The fourth proportional to 742,678.34, 1,113,885.78 and 337,775.69 is: 506,603.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,678.34 : 1,113,885.78 = 337,775.69 : x
  2. Step 2: Convert to fraction form
    742,678.34/1,113,885.78 = 337,775.69/x
  3. Step 3: Cross multiply
    742,678.34x = 1,113,885.78 × 337,775.69
  4. Step 4: Simplify right side
    742,678.34x = 376,243,532,351.26
  5. Step 5: Solve for x
    x = 376,243,532,351.26/742,678.34
  6. Step 6: Final answer
    x = 506,603.62

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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.